統計と確率
データ分析、確率分布、仮説検定、統計手法。
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the scatterplot to the right shows the relationship between the left an…
a. \( y = 1.22 + 0.95x \) ### Question 6
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4.) you are offered a choice between paying a flat tax (one rate on all…
The graduated tax is better as it amounts to $14,447.5 compared to the flat tax of $19,140.
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read this excerpt from when birds get flu and cows go mad! how safe are…
D. It draws out interesting information about the topic.
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distance from johns home time what is one possible interpretation of th…
John waited before crossing a busy street.
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damian’s dad is making pancakes for breakfast. the equation represents …
False (select the False option for this statement) #### 2. "12 pancakes were eaten"
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the price of bananas went from $0.20 per lb to $0.60 per lb in four yea…
B. $0.10 per pound per year
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two friends were filling water balloons. the number line represents the…
The number sentence is \( 38 + b = 55 \), and \( b = 17 \).
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marjorie made 26 cookies. after a few days, there were 19 cookies left.…
7
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amari correctly solved the problem below. 15 - 6 = 9 use the tiles to c…
\( 6 + 9 = 15 \) (or \( 9 + 6 = 15 \))
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show 36% in three ways. to start, shade 36% of the grid. click and drag…
1. Shade 36 individual squares in the 10x10 grid 2. $0.36$ 3. $\frac{9}{25}$
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to start, shade 20% of the grid. click and drag to shade. write 20% as …
20 cells of the 100-cell grid should be shaded. $20\% = 0.2$ $20\% = \frac{1}{5}$
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show 16% in three ways. to start, shade 16% of the grid. click and drag…
1. Shade 16 individual squares in the 100-square grid. 2. $0.16$ 3. $\frac{4}{25}$
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show 62% in three ways. to start, shade 62% of the grid. click and drag…
1. Shade 62 out of the 100 squares in the grid. 2. $62\% = 0.62$ 3. $62\% = \frac{31}{50}$
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4. vaughn surveyed 9 classmates. he asked each classmate for the number…
a. $3$ b. $6$ --- ### Problem 5
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show 28% in three ways. to start, shade 28% of the grid. click and drag…
1. Grid: 28 squares are shaded (as shown in the provided grid) 2. Decimal: $0.28$ 3. Simplest fraction: $\frac{7}{25}$
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write 66% as a decimal. 66% = 0.66 write 66% as a fraction in simplest …
$\frac{33}{50}$
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show 44% in three ways. to start, shade 44% of the grid. click and drag…
1. Shaded grid: 44 total squares (add 4 more shaded squares to the existing 40) 2. Decimal: $0.44$ 3. Simplified fraction: $\frac{11}{25}$
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“youre lucky,” veena blurted out as rohan sat down and she picked up th…
B. She cuts other people’s hair but does not feel free to change her own.
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show 5% in three ways. to start, shade 5% of the grid. click and drag t…
1. Shaded grid: 5 squares (already completed as shown) 2. Decimal form: $0.05$ 3. Fraction in simplest form: $\frac{1}{20}$
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show 26% in three ways. to start, shade 26% of the grid. click and drag…
1. Shaded grid: 26 out of 100 squares are shaded (as described, first 2 full rows (20 squares) + 6 squares in the third row) 2. Decimal form: $0.26$ 3. Simplified fraction: $\frac…
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show 38% in three ways. to start, shade 38% of the grid. click and drag…
$\frac{19}{50}$
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to start, shade 40% of the grid. click and drag to shade. write 40% as …
1. Shade 40 total cells in the grid (e.g., the top 4 full rows, which is 4×10=40 cells) 2. $40\% = 0.40$ 3. $40\% = \frac{2}{5}$
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this law can phase out governmental organizations who do not make enoug…
A. Sunset ### Second Question:
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show 54% in three ways, to start, shade 54% of the grid. click and drag…
1. Shade 54 out of the 100 grid squares. 2. $54\% = 0.54$ 3. $54\% = \frac{27}{50}$
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show 58% in three ways. to start, shade 58% of the grid. click and drag…
1. Shaded grid: 58 out of 100 squares filled 2. Decimal: $0.58$ 3. Simplified fraction: $\frac{29}{50}$
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read the sentence from the passage. \any moment now, the judge would an…
A. decision
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6 what does the phrase attuned to mean as it is used in paragraph 11? a…
D. aware of
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show 78% in three ways: to start, shade 78% of the grid. click and drag…
1. Shade 78 out of the 100 squares in the grid. 2. $78\% = 0.78$ 3. $78\% = \frac{39}{50}$
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show 85% in three ways. to start, shade 85% of the grid. click and drag…
Shade 85 out of the 100 grid squares. $85\% = 0.85$ $85\% = \frac{17}{20}$
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4 what is the meaning of the phrase crowning achievement as it is used …
C. greatest success
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read the poem: sea rose by h.d. (hilda doolittle) rose, harsh rose, mar…
The rose is being whipped wildly about by the wind.
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which statement is true? a. $0.1 < 0.010$ b. $0.07 > 0.6$ c. $0.003 > 0…
D. \(0.042 < 0.42\)
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tp - castt poetry analysis title: before reading the poem, make a predi…
Completed TP-CASTT Analysis: 1. **Paraphrase**: - A general boasts of his medals, his mother hums a lullaby about parsley—a word he cannot say right. - Rebels hide in the hills; t…
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activity 1.3 an american story learning targets - evaluate how an autho…
The historical context is likely the experience of immigrants coming to America (probably in the late 19th/early 20th century) from the "Old World" (Europe, for example). Words li…
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which number sentence is correct? a. $31.009 < 31.07$ b. $32.06 < 32.06…
A. \(31.009 < 31.07\)
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which statements describe the last two lines of a shakespearean sonnet?…
A. They rhyme with each other. B. They are referred to as a couplet. D. They may reinterpret the poem’s meaning.
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connor finished a race in 48.72 minutes. julies time was faster than co…
D. 48.29 minutes
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a farmer estimates that he has 9,000 bees producing honey on his farm. …
B. The function \( f(x)=9,000(0.95)^{x} \) represents the situation. C. After 2 years, the farmer can estimate that there will be about 8,120 bees remaining. F. The range values, …
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raul bikes 6 mi home from school at a rate of 3 mi/h. leah leaves schoo…
A. 1.5 h
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scatter plots & data test first question (partially visible) about two …
1. C. As one variable increases, the other variable increases 2. D. As one variable increases, the other variable decreases 3. None 4. Positive 5. Positive 6. Positive 7. None 8. …
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probability vocabulary name: choose the best term to answer each questi…
1. outcome 2. equally 3. sample space 4. certain 5. theoretical 6. independent 7. complement 8. dependent 9. mutually exclusive 10. probability 11. experimental 12. impossible
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1. (4 pts) understanding passage 1 requires the reader to distinguish a…
| Term | Definition | |---------------------|-----------------------------------------------------------------------------| | stalactites | Cave deposits located on ceilings | | s…
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this graph shows how the total distance remaining to walk depends on th…
6 miles
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royce deposits $1200 into a savings account that has an annual simple i…
1. Interest after first year: $\$13.20$ 2. Total interest after second year: $\$39.60$ 3. Total amount after second year: $\$2439.60$
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problem 6 four students set up a lemonade stand. by the end of the day,…
Each student would get $4.38.
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warm-up #1 find the mean, median, mode and range. 7 5 6 15 4 9 10 1 12 …
Mean: $8.4$, Median: $8$, Mode: $8$, Range: $14$
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savings charlyne deposited $3400 into a savings account that has an ann…
2 years: $\$3413.60$ 5 years: $\$3434.00$ 8 years: $\$3454.40$
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x (hours) | y (pages) 1 | 20 3 | 60 4 | 80 5 | 100 according to the val…
1. yes 2. 20
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lorenzo loves to read and discuss books, so he joined a book club. the …
yes
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select all stories that the tape diagram can represent. a) diego’s fami…
A. Diego’s family spends $87 on 4 tickets to the fair and a $39 dinner. D. Lin buys a pack of 87 pencils. She gives 39 to her teacher and shares the remaining pencils between hers…
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projectile selena kept track of the height of a ball after throwing it,…
True
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the box plot shows the results of a survey of the number of minutes tha…
1. 15 minutes 2. (Note: Problem 11 is incomplete, only the first part is answerable)
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algebra 1 unit 2 practice what r - value suggests a strong positive cor…
D. 0.9
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rivera algebra 1 unit 2 practice problem a wildlife train is observing …
C. 48%
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rivera cintron algebra 1 unit 2 practice problem a student collected th…
$\hat{y} = 1.93x + 2.94$ (matching the first option: $\hat{y}=1.93x + 2.94$)
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the box plot shows the results of a survey of the number of minutes tha…
15 ### Problem 11
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select the correct answer. then press the submit button. author james d…
A. at first, it was meant only for dignitaries and scholars, not for the general public.
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which scenario is most likely the one shown on the graph? the total amo…
the total number of calories, $y$, in a salad with vegetables containing 50 calories topped with $x$ ounces of salad dressing at 100 calories per ounce
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problem 8 charlie filled up the tub and gave the family dog a bath. the…
2 gallons per minute
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q2 the table gives the height, measured to the nearest meter of 300 tre…
s: (a) The mean height is \(\boxed{5}\) meters. (b) The probability is \(\boxed{\frac{7}{15}}\) (or approximately \(0.47\)).
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student - friendly definition (own words) vocabulary word 9. substance …
### For "substance" - **Student-Friendly Definition (OWN WORDS)**: A physical material that takes up space, or the meaningful core of something. - **Synonym, Antonym, & Part of Sp…
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the frequency table below gives the age of pupils in a class. age (year…
60 ### Sub - Question 2: Calculate the average age
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karl set out to alaska on his truck. the amount of fuel remaining in th…
C. 60 liters
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select the correct answer. what is the solution to this equation? \\log…
D. $x = \frac{1}{2}$
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select the correct answer from each drop - down menu. janet solves this…
only x = 5 is correct because $\boldsymbol{x = -2}$ is an extraneous solution
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3 select the correct answer from each drop - down menu. janet solves th…
only x = 5 is $x=-2$ results in negative arguments for the logarithms, which are undefined, while $x=5$ satisfies the original equation and has positive arguments for all logarith…
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40% growth, 20% decay, 60% growth, 80% growth, 20% growth, 40% decay, 8…
1. $20(0.6)^t = 1.2$ → 40% decay 2. $40(0.2)^t = 1.6$ → 80% decay 3. $60(0.8)^t = 1.4$ → 20% decay 4. $1.2(1.4)^t = 80$ → 40% growth 5. $80(1.6)^t = 20$ → 60% growth
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select the correct answer. in stage 2 of a rocket’s takeoff, the speed …
D. $25,000 = 5,000(1.043)^t$
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complete the statements describing the situation. based on the model, t…
For the number of workers in 2019: 300. For the model fit: is not (since \( r^2 = 0.56 \) is not close to 1, indicating the model is not a good fit for the data). But focusing on …
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select the correct answer. the table contains data on the number of peo…
C. a quadratic function with a positive value of a
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select the correct answer. which equation best models the set of data i…
C. \( y = 33\sqrt{x} + 32.7 \)
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time spent on chores (hours) household members which equation best mode…
C. \( y = -0.34x + 5.19 \)
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in the years since the store started stocking it. sales of jeans comple…
The data is best modeled by a \(\boldsymbol{\text{quadratic}}\) function. Based on the graph, the store owner \(\boldsymbol{\text{should}}\) continue stocking this particular bran…
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select the equation for the linear model shown. a. $y = \\frac{3}{2}x +…
B. \( y = \frac{2}{3}x + 4 \)
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a random sample of 50 students at a large high school resulted in a 95 …
B. About 95% of all random samples of 50 students from this population would result in a 95% confidence interval that covered the population mean number of hours of sleep per day.
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the holy water in the story is symbolic. how does the meaning differ fo…
- For Father Paul (the priest): Holy water is a sacred, doctrinally defined symbol of Catholic ritual, tied to sin cleansing and formal religious practice. He initially refuses to…
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question what could you divide and then multiply by to go from the firs…
To get to 1, divide 140 by \(\boldsymbol{140}\). From 1, multiply by \(\boldsymbol{108}\) to get to 108. OR, in a single step, multiply 140 by \(\boldsymbol{\frac{27}{35}}\) (or \…
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3. describe clarisse—in what ways are she and her family different from…
Clarisse is gentle, curious, and thoughtful. She and her family differ as they engage in meaningful conversations, question societal norms (e.g., the emphasis on mindless entertai…
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f(0.5) = 60, meaning that 0.5 seconds after the object was dropped, the…
real numbers in $a\leq x\leq b$
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3. describe clarisse—in what ways are she and her family different from…
Clarisse asks Montag, "Are you happy?" Montag’s true answer, upon reflection, is that he realizes he may not be truly happy, as his life (focused on his job and conforming to soci…
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3. describe clarisse—in what ways are she and her family different from…
Montag responds defensively, insisting that firefighters have always burned books and that this is the natural order of things. Clarisse is correct because historically (and in th…
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check your understanding: 2 of 13 incomplete question if you engage in …
B. approach new ideas with openness and caution.
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5 deandre and his sister asha make origami cranes. their goal is to com…
The solution of the system is \((d = 2,c = 40)\) or when 2 days have passed, both have 40 cranes. In boxed form (for the point) \(\boxed{(2, 40)}\) ### Part b
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4 a. graph the following system of equations. $y = -3x$ $y = x + 4$ b. …
s: 4a. Graph with \( y=-3x \) (passing through \((0,0)\) and \((1, - 3)\)) and \( y=x + 4 \) (passing through \((0,4)\) and \((-4,0)\)) drawn. 4b. The solution is \( \boldsymbol{(…
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now there could be no doubt about what was intended for us. with my ver…
B. destruction of a nation - state
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scientific notation - sort and arrange drag cards that have equivalent …
- Set 1: \(3.52\times10^4\), \(35200\), \(3.52\times10000\) - Set 2: \(3.52\times10^2\), \(352\), \(3.52\times100\) - Set 3: \(3.52\times10^3\), \(3520\), \(3.52\times1000\)
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based on the information you learned from the video, what is the signif…
B. They created a starting point for future negotiations between Israel and its neighbors.
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based on the information you learned from the video, what is the signif…
B. They created a starting point for future negotiations between Israel and its neighbors.
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write an inequality for the graph shown below. use x for your variable.
$x > 4$
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boriss gas tank is \\(\\frac{1}{4}\\) full. after he buys 6 gallons of …
16 gallons
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the population of a city has increased by 29% since it was last measure…
10000
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question 15 1 pts stephanie coontz says that these days there has been …
She states that kids are often only permitted to be in public space when they're with their parents and raises the point that teenagers are rarely allowed to be on their own in pu…
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question 12 1 pts stephanie coontz argues that youth today suffer from …
A. Teens face a world where they have few opportunities to participate meaningfully in the work world, their families, and society in general.
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use the aleks calculator to write \\(\\frac{7}{81}\\) as a percentage. …
8.6%
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if events x and y are independent, what must be true? check all that ap…
- \( P(Y | X) = P(Y) \) - \( P(X | Y) = P(X) \)
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treys game started at 9:30 a.m. the game lasted 2 hours and 5 minutes. …
$11:35\ \text{a.m.}$
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the science club has five female and five male students. the club will …
$\frac{2}{9}$ (corresponding to the option with $\frac{2}{9}$)
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question 5 in stephanie coontz’ piece, she discusses some major changes…
While adults believe that teens' behavior is much more dangerous and risky than in previous generations, she argues this is highly over-exaggerated and that adults unjustly pathol…
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question 2 1 pts stephanie coontz explains the ways teenagers’ experien…
She says that young people have recently lost clear paths for gaining experience to do responsible and socially necessary work in or out of the home. This makes it harder to move …
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use the drawing tools to form the correct answer on the graph. mrs. rob…
A straight line passing through the origin \((0,0)\) and points such as \((5,100)\), \((10,200)\), \((20,400)\) on the provided coordinate grid, representing the equation \(c=20s\…