統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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which of the following are typically advantages of using cash? □ easy t…
- Keep spending within your means - Protect your identity - No transaction fees
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type the missing number in this sequence: 96, 97, , 99, 100
98
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brinlyn increased the amount of water she drank per day from 32 oz to 4…
C. 25%
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select the correct text in the passage which sentence best expresses th…
I suppose every one must have reflected how primeval and how poetical are the things that one carries in one's pocket; the pocket-knife, for instance, the type of all human tools,…
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use the graph to answer the following questions. julies savings account…
\( 100 \) dollars ### Part b: At what rate, in dollars per week, was Julie adding money to her savings account in the first four weeks?
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turn on the television any evening and you will most likely find a so -…
A. by comparing books with reality
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create a stem and leaf plot from the numbers below using the given key.…
| Stem | Leaf | |------|------| | 0 | 1, 4 | | 1 | 3, 7, 8 | | 2 | 9 | | 3 | 1, 2, 5, 7, 8 | *Clave: $3|1 = 31$*
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drag each tile to the correct box. match the claim about each place to …
A claim that a place has some of the best restaurants. → examples of restaurants located there A claim that a place is one of the safest places to visit. → statistics showing very…
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which of the following are typically disadvantages of using a credit ca…
Easy to overspend your means (the checkbox next to "Easy to overspend your means" should be selected)
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type the missing numbers in this sequence: 2, 8, 14, \boxed{}, 26, \box…
The missing numbers are 20 and 32. So the sequence is 2, 8, 14, 20, 26, 32.
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create a stem and leaf plot from the numbers below using the given key.…
| Stem | Leaf | |------|------| | 0 | 1, 5, 9 | | 1 | 1 | | 2 | 1, 2, 5, 5 | | 3 | 2, 6 | *Key: $3|2 = 32$*
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the graph shows the cost for each video game rental. what does the rate…
the cost for every 1 video game rented
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the graph shows the cost for each video game rental. what does the rate…
The rate of change represents the cost (in dollars) per video game rental.
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sentences flow easily when all the actions in a list have the same endi…
The doctor attended to the patients, walked around the hospital, and spoke with the nurses.
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julie opened a bank account to manage the money she earns while she is …
For \( x = 0 \), \( y = 60 \); for \( x = 4 \), we need to read the graph. Assuming the graph's value at \( x = 4 \) is \( \boldsymbol{400} \) (this is based on the table's pre - …
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10 select the correct answer. read the sentence from the passage. reali…
A. by arguing that network's sole interest is monetary
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sentences flow easily when all the actions in a list have the same endi…
I love camping because you can hike, explore, and fish all you want.
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match the graph to the situation. graph g graph h graph i distance from…
To solve this, we analyze each situation and match it to the graph by interpreting the distance - time relationship: ### 1. Analyze Larry's situation: Larry walks to school (dista…
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12 the height of all 22 students in mrs. dani’s preschool class are sho…
a. La distribución es simétrica (simétrica alrededor del valor central 36 pulgadas). b. 36 pulgadas c. 36 pulgadas d. 8 pulgadas
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directions: type the correct answer in each box. spell all words correc…
1. True 2. False 3. True 4. False
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x 0 1 2 3 4 y 5 3 1 -1 -3 write the equation that created this table. y…
y = -2x + 5
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x | y 0 | 3 2 | 11 4 | 19 6 | 27 8 | 35 what is the y-intercept of this…
D. 3
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x -8 -6 -4 -2 0 y 12 6 0 -6 -12 what is the y-intercept of this table? …
-12
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sat scores are designed so that they are normally distributed as shown …
D. 100%
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lee has 3 packs of paintbrushes. after nancy gives him 8 more paintbrus…
The number of paintbrushes in each pack
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6 from unit 2, lesson 17 elena writes the equation $6x + 2y = 12$. writ…
\(x - y=-1\) (or any linear equation with a different slope from \(y=-3x + 6\)) #### Part b
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lee has 3 packs of paintbrushes. after nancy gives him 8 more paintbrus…
The bottom tape diagram (with three $x$ sections and one 8 section, totaling 26) best represents the situation.
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for a certain dog breed, the number of puppies in a litter typically va…
1.25
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olivia is cutting a 33-foot piece of wood for a project. she cuts off 6…
The remaining pieces are each 9 feet long.
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deviation? a on average, the number of students going to an office hour…
A. On average, the number of students going to an office hour varies from the mean by about 2.2 students.
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1 the use of exaggeration to emphasize a point 3 a comparison between t…
This appears to be a crossword puzzle about literary devices. Let's identify each clue with the corresponding literary device: ### Across: 1. **Hyperbole**: The use of exaggeratio…
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6 from unit 2, lesson 17 elena writes the equation 6x + 2y = 12. write …
\(x + y = 1\) (any equation with \(\frac{6}{a_2} eq\frac{2}{b_2}\) works) #### Part b
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3 | time (minutes) | 15 | 30 | 45 | 60 | | --- | --- | --- | --- | --- …
128 ### Part 3 (b)
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lesson 6: even more graphs of functions cool down: walking home from sc…
s: - **Graph fitting the story**: The first graph (with decreasing, increasing, decreasing, constant, and decreasing segments ending at 0). - **Two quantities**: Time (elapsed) an…
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the quality control manager at a factory records the number of equipmen…
D. On average, the number of breakdowns per day varies from the mean by about 0.28.
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the following table shows the probability distribution for the number o…
$1.79$
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years passed by. every spring when the roses began to bloom seven youth…
- to emphasize how terrible the situation is - to make readers curious about Theseus's role in the plot - to allow Theseus to grow and mature
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in the meanwhile the little child at troezen on the other side of the s…
the arrival of the Cretan soldiers
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two pools are being filled with water. to start, the first pool contain…
After 30 minutes, the two pools will have the same amount of water. Each pool will have 1312.5 liters of water.
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16. a painter mixes \\(\\frac{1}{4}\\) gallon of red paint, 3 quarts of…
6
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the dollar value ( v(t) ) of a certain car model that is ( t ) years ol…
Initial value: $\$25900$ Value after 11 years: $\$1450$
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journal compare the graph of a ratio relationship with the graph of a r…
The cost for a weight of 3 pounds is 9 dollars. #### Part (b)
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assignment #7 - study guide 12. of the two hundred works of art at a la…
a. $P(A) = 0.59$, $P(B) = 0.83$ b. $P(A \cup B) = 0.91$; this is the probability a randomly selected work is a painting, for sale, or both. c. $P(A \text{ or } B) = 0.9303$ d. $P(…
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2 the numbers listed below represent the ages of people standing in lin…
A. (El dot plot que representa correctamente las edades con las frecuencias contadas)
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reporting category 4 data analysis and personal financial literacy 3.8(…
D. \$8
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10 jackson, olivia, and manny are playing a math game. jackson answers …
C. Jackson 12, Olivia 16, Manny 8
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10 cm = ____ mm （options: 1, 10, 100, 1000）
100
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favorite ice cream flavor chocolate\tstrawberry\tvanilla\ttotal gender\…
You should pick the female group. The probability that a female student prefers chocolate is $\frac{15}{35} \approx 0.429$, while the probability that a male student prefers choco…
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president nixons action to end the gold standard created a budget defic…
meant the value of the dollar changed.
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0.5 pts piaget proposed that new ways of thinking are formed during eac…
1. is incorporated into an existing way of thinking. 2. confirmation bias.
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mr. cain made 252 cookies for the annual fifth grade cake bake sale. th…
Each student will get 21 cookies.
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which statement would a judicial activist most likely make? - \interpre…
A. "Interpretations of the Constitution must change because its authors could not foresee modern life."
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4 use the information you have so far to sketch a graph of the function…
The equation \( P(t) = 1000 \) has exactly one solution for \( t \) (assuming \( P(t) \) is a monotonic (e.g., increasing) population function, which is typical for population mod…
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helena needs 3.5 cups of flour per loaf of bread and 2.5 cups of flour …
A. 2 loaves of bread and 4 batches of muffins
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miguel picks a total of 25 tomatoes and cucumbers at the community gard…
| Miguel's Vegetables | | |----------------------|-------| | Tomatoes | 20 | | Cucumbers | 5 | | Total | 25 |
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find the equation of the exponential function represented by the table …
$y=2(4)^x$
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question which of the contexts below represents exponential growth? ans…
A town's population grows at a rate of 7.2% every year.
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kamilah picks a total of 16 radishes and carrots in the community garde…
### Completed Diagram (Kamilah's Vegetables): | | Box 1 | Box 2 | Box 3 | Box 4 | Box 5 | Box 6 | Box 7 | Box 8 | Box 9 | Box 10 | Box 11 | Box 12 | Box 13 | Box 14 | Box 15 | Box…
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which of the contexts below could not be modeled by a linear function? …
A. A car depreciates at a rate of 3.4% per year.
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kai picks a total of 9 green peppers and tomatoes in the community gard…
The corrected diagram will have 6 green pepper icons in the "Green Peppers" row and 3 tomato icons in the "Tomatoes" row, with the total row remaining 9 for green peppers (correct…
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perform the mathematical operation and round the answer to two signific…
0.24
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24.32 x 0.010 24.32 has 4 significant figures 0.010 has 2 significant f…
2 significant figures
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7. higher order thinking the difference between the longest worm and th…
$4\frac{3}{4}$ inches
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how many significant figures are in the number 0.010? 0.010 has ? signi…
2
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how many significant figures are in the number 24.32? 24.32 has ? signi…
4
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enter the ratio of students who chose hip hop to the total number of st…
1. The ratio of students who chose hip hop to total students is $\boldsymbol{1:2}$ 2. The total number of students surveyed is $\boldsymbol{2}$ times the number of students who ch…
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1. how many times does the person come to a stop? 2. which segments do …
2 times ### Question 2
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6. envision® stem floodwalls are used to prevent damage from floods. a …
$2\frac{5}{8}$ feet
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5. vocabulary use a vocabulary word to complete the sentence. an ______…
unit
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how is this statement similar to the ideas in roosevelt’s new deal spee…
It considers work an important value.
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the graph represents a mechanics labor costs for a given number of hour…
A. All repairs requiring 1 hour or less have the same labor cost.
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the price of grapes at the grocery store is $1.44 per pound. there are …
D. $3.20 per kilogram
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enter the ratio of students who chose alternative to students who chose…
3
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which scatter plot shows a pattern?
The left scatter plot (with points forming a downward linear trend) shows a pattern.
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according to kennedy, how will his new frontier program be different fr…
- It will call on people of the US to act instead of acting for them. - It will challenge people of the US instead of protecting them.
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isabella buys milk and potatoes at the store. - she pays a total of $21…
Equation: \( 3.73 + 3x = 21.40 \)
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calories in strawberries the graph shows the relationship between the n…
Each strawberry contains 4 calories. (The option corresponding to this statement, e.g., if it's the first option, then "A. Each strawberry contains 4 calories" assuming the option…
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hayes asks several people how many letters are in their first name and …
no pattern
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make a diagram to show the amount of chili and cheese in naomi’s recipe…
8 ounces is 4 times 2 ounces (or 2 ounces is \( \frac{1}{4} \) of 8 ounces, but the multiplicative relationship as per the context is 8 = 4×2). ### For the question "The amount of…
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5-6. write out the sum and calculate: $sum_{k=2}^{6} (k - 2)^2$
25
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a metalsmith is mixing two molten metals, each containing different per…
(15)(0.75) and \( 0.7(15 - x) + 0.9x \)
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find the product 2,048 × 9 each of the 4 elementary schools in the city…
21691
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city | temperature (°f) a | -18 b | 22 c | -34 d | -4 (a) compare the t…
\(-18\ \boldsymbol{<}\ -4\); At 6 a.m., City A was colder than City D. ### Part (b)
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find the quotient 6.584 ÷ 6 there are 8 buckets of crayons in the class…
208
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find the difference 43,001 - 38,126 find the quotient 6,584 ÷ 6 there a…
1. $43,001 - 38,126 = 4,875$ 2. $6,584 \div 6 = 1,097$ con residuo 2 3. Total de crayones ahora: 208
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proportional not proportional add an answer item! add an answer item! a…
- proportional: The equation \( y = 2x \) represents the number of lenses, \( y \), in \( x \) pairs of glasses. - not proportional: The equation \( m = 12t + 8 \) represents the …
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12. the number of visitors to the jacksonville zoos koana ice stand ove…
The average rate of change over the interval \(1\leq x\leq3\) is \(20\) visitors per hour.
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a student has a coin with sides heads, h, and tails, t, and a stack of …
\( (H,1) \), \( (H,2) \), \( (H,3) \), \( (T,1) \), \( (T,2) \), \( (T,3) \) ### 2. Simplify \( (4^3)^2 \cdot 4^{-8} \)
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match each correlation coefficient to the appropriate scatter plot. the…
Left scatter plot: \( r = -0.2 \) Right scatter plot: \( r = -0.9 \)
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match each correlation coefficient to the appropriate scatter plot. the…
Left scatter plot: \( r = 0.9 \) Right scatter plot: \( r = 0.4 \)
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3. $-4 + (-2) = \\underline{\\quad\\quad}$ (number line from -8 to 0 wi…
\(-6\)
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round 3,844,287 to the nearest... 100: 1,000: 10,000:
100: $3,844,300$ 1,000: $3,844,000$ 10,000: $3,840,000$
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19. from 309 grams to 299 grams
The percent decrease from 309 grams to 299 grams is approximately \( 3.24\% \).
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multiple choice question the word swahili comes from an arabic word mea…
C. "people of the coast." (Note: Assuming the options are labeled A, B, C, D with A: "mighty warriors", B: "followers of Islam", C: "people of the coast", D: "gold merchants")
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a. safeway b. save on c. coop d. all equally priced 17. how much more m…
c. $0.92/hour$ ### Question 18
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poem 2: the eagles heart he wears a suit of feathers crimson, with a he…
This visual detail suggests more about the warrior’s spirit in battle. Eagles are symbols of bravery, freedom, and a lofty, indomitable spirit. The “eagle wings upon his back” imp…
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kira charges $240 for 18 boxing lessons. at this rate, how much would s…
## Part (a) Proportion: $\frac{A}{3} = \frac{240}{18}$ (or equivalent $\frac{A}{240} = \frac{3}{18}$) ## Cost for 3 lessons: $\$40$
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number six the function $y = 50(1.3)^x$ was written on the board. henry…
Henry confused the growth factor (\( 1.3 \)) with the growth rate. The correct growth rate is \( 30\% \) (since \( 1.3 = 1 + 0.3 \), and \( 0.3\times100\% = 30\% \)), not \( 130\%…
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17. from 284 grams to 206 grams
The percent change is approximately a \( 27.46\% \) decrease (or if just the amount of change is asked, it's a decrease of 78 grams; depending on the context, but likely percent c…
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write \\(\frac{6}{10}\\) as a percentage.
60%