统计与概率
数据分析、概率分布、假设检验与统计方法。
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scenarioinequalitynumber line1the highest temperature in chicago will b…
Inequality: \( T \leq 95 \); Number Line: Closed circle at 95, shade left.
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today’s high temperature is 72°f. if yesterday’s high temperature was 8…
\(-15^\circ\text{F}\) (corresponding to the option with \(-15^\circ\text{F}\))
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adam has a points card for a movie theater. - he receives 60 rewards po…
\( 60 + 12.5v \geq 160 \)
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10) which of the following represent functions? i. | input | output | |…
b. I and II ### Question 11
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determine which of the following number pairs have a least common multi…
- 2 and 9: True - 3 and 7: True - 4 and 10: True - 5 and 12: False
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name addison v. date 12-17-25 scatter plots: line of best fit write the…
1. \( y = -\frac{1}{3}x + 9 \) 2. \( y = \frac{4}{3}x + 10 \) 3. \( y = x + 5 \) (or \( y = x + 5 \) based on points) 4. \( y = -\frac{1}{2}x + 9 \) 5. \( y = -\frac{1}{5}x + 8 \)…
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1. which value is 0.3 expressed as a percentage? a. 3% b. 0.03% c. 30% …
C. 30% ### Question 2
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what did martin luther do about his opinions related to the church? how…
Martin Luther wrote and posted the Ninety - Five Theses in 1517 to voice his criticisms of the church (like the sale of indulgences) and spread his reform - oriented ideas (e.g., …
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scatter plots: line of best fit write the slope-intercept form equation…
For Graph 1: \( y =-\frac{3}{10}x + 9 \) (or \( y=-0.3x + 9 \)) For Graph 2: \( y=x + 10 \) For Graph 3: \( y=x + 5 \) For Graph 4: \( y =-\frac{2}{5}x + 8 \) (or \( y=-0.4x + 8 \…
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24 matching 6 points label each sentence as declarative, interrogative,…
1. "Good comedians are comfortable in front of an audience." - declarative 2. "What is your favorite joke?" - interrogative 3. "Tell me a knock - knock joke." - imperative 4. "Can…
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the sixth grade is raising money for a camping trip that costs $2,500. …
C. $1,750
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jonathan practices the piano 658 minutes in 2 weeks. if t represents th…
$t = 47d$
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the table below shows a proportional relationship between a and b. | a …
\( b = 8a \)
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in 1517, luther wrote a list of some of the practices of the catholic c…
In 1517, Luther wrote the Ninety - Five Theses (a list of Church practices to debate), nailed it to a church door, shared with friends, sent to Church leaders. Later, he refused t…
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cindy bought 8 packages of hot dogs. she saved $4.40 by using a store c…
A. $0.55
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1. it was revealed. a made known b mumbled c resealed d rented e hidden…
A. made known ### Question 2: (Note: The options seem incomplete, but assuming we analyze "otherwise" which means "differently" or "in another way". "Not at all" doesn't fit. If w…
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it takes 2 \\(\\frac{2}{3}\\) bags of sugar to fill a canister. each ba…
2
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the box plot represents the ages of gymnasts on an olympic team. ages o…
B. One - half of the gymnasts are between the ages of 22 and 27.
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the box plot displays data about the number of text messages sent one d…
C. 45
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danielle’s dad is more than 5.75 feet tall. which of the following coul…
D. 72 inches, E. 77 inches
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ctive 4-3 : use line of best fit to make predictions. what trend line i…
a. \( Y = 0.75x + 30 \) ### Problem 2 (Create Scatter Plot)
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janine likes to draw pictures. she can draw 5 pictures of cats in 30 mi…
A. $\frac{1\ \text{picture}}{6\ \text{minutes}}$
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what does ambassador muccio mean by \all out offensive\? ○ north korean…
C. North Korea has officially declared war on the South.
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Question was provided via image upload.
4
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the tape diagram shows the number of miles kyle traveled in 3 hours. at…
D. 330 miles
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use a calculator to evaluate the expression. write the answer in scient…
\(1.92 \times 10^{-7}\)
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objective 4-2: understand line of best fit. 1. what type of association…
The Right Graph (the fourth graph from the left, showing a U - shaped curve of points) ### Question 3:
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what percentage of the shape is green? write your answer using a percen…
59%
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divide: \\(\\begin{array}{r}\ \\underline{\\hspace{3cm}}\\\ 1,000,000\\…
\(0.009639723\)
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for the following set of data, find the percentage of data within 2 pop…
# Explanation: ## Step1: Calculate the population mean ($\mu$) The data set is \( 67, 39, 42, 66, 70, 72, 70, 66, 67 \). The number of data points \( N = 9 \). \[ \mu=\frac{67 + 3…
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complete the equation for this model.
$-23 + (-1) = -24$
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select the word or phrase that is redundant and can be removed without …
on all sides
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question 20 of 20 : select the best answer for the question. 20. to ___…
C. compare
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2.2: tomato plants: histogram a histogram can be used to represent the …
| days to produce fruit | frequency | |-----------------------|-----------| | 40 - 50 | 1 | | 50 - 60 | 4 | | 60 - 70 | 8 | | 70 - 80 | 9 | | 80 - 90 | 6 | | 90 - 100 | 1 | For th…
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do the ratios \\(\\frac{7}{8}\\) and \\(\\frac{3}{28}\\) form a proport…
no
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select the correct answer. an allegory is a story that uses characters …
C. Then all shouted mirthfully, and leaped about the room. The Widow Wycherly—if so fresh a damsel could be called a widow—tripped up to the doctor’s chair, with a mischievous mer…
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question 12 score on last try: 0.5 of 1 pts. see details for more. at l…
\( 1.099 \)
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the painting above is an example of how an artist can use _____________…
d. complementary colors
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divide. write your answer in scientific notation. \\(\\frac{9 \\times 1…
$3\times 10^{4}$
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welcome to the game show, \which is greater?\ choose the card that show…
greater than
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the given jar contains yellow (y), blue (b), and red (r) balls. anne ra…
3 to 8
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the scatter plot shows the average monthly temperature, x, and the mont…
s: (a) The predicted heating cost for a month with an average temperature of \( 0^{\circ}\text{F} \) is \( \$97.40 \). (b) For an increase of one degree Fahrenheit, the predicted …
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a die is rolled twice. what is the probability of showing a 1 on the fi…
$\frac{1}{12}$
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assume that each circle shown below represents one unit. express the sh…
Improper fraction: \(\frac{7}{2}\) Mixed number: \(3 \frac{1}{2}\)
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averages: mean, median & mode data and graphing worksheet find the mean…
| Given Set | Mean | Median | Mode | |-----------------|------|--------|------| | a. 4, 4, 3, 9, 5 | 5 | 4 | 4 | | b. 8, 4, 5, 8, 5, 4, 8 | 6 | 5 | 8 | | c. 10, 13, 11, 13, 13 | 1…
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one hundred upper division students attending a career fair at a univer…
\(\frac{17}{26}\)
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write inequalities to represent the situations below. to be eligible fo…
For the first situation: \( y \geq 55 \) For the second situation: \( s \geq 150 \)
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justin packed two suitcases for his trip and compared the weights of th…
The data for suitcase 1 have an outlier, but the data for suitcase 2 does not.
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3. it takes diego \\(\\frac{1}{24}\\) of an hour to complete a lap on a…
C. 8 miles per hour
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find the indicated probabilities using the geometric distribution, the …
A. The event in part (a) is unusual. B. The event in part (b) is unusual.
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the photograph above depicts a traditional chinese wedding. this cultur…
c. symbolic meaning
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make a residual plot for the linear model and the data set it represent…
Correct residual plot: B. The points seem to be randomly distributed, are clustered close to the x - axis, and the model fits the data set well.
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write each fraction or mixed number as a decimal. use bar notation if n…
(Examples of answers for each problem, assuming the problems are: 1. $\frac{6}{5}=1.2$ 2. $\frac{30}{120}=0.25$ 3. $1\frac{7}{9}=1.\overline{7}$ 4. $\frac{1}{6}=0.1\overline{6}$ 5…
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read the description of a proportional relationship. a mysterious flyin…
4 ### Second Sub - Question (How many hours does Mark need to charge his suit in order to fly for 8 hours?)
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question theres a roughly linear relationship between the number of tim…
The change in temperature in degrees Fahrenheit for each additional cricket chirp in one minute. (The option corresponding to this description)
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lucia is buying dessert from a new frozen yogurt shop, the frosty bowl.…
The base price from the bowl of yogurt is $2, and toppings cost $0.50 per ounce.
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linear equations w/ distribution (lev 3) score 0/1 penalty: 1 off quest…
\(x = -\frac{7}{10}\)
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a meteorologist predicted that it would rain a total of 58 inches in lo…
16
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the jar has a total of 220 marbles. the table shows the estimates of th…
30
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lydia and kaden measure the speed of the wind for an experiment in thei…
50
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shawn fired 1,000 bowls, and 980 of the bowls did not break. shawn want…
20
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for the following information, determine whether a normal sampling dist…
C. Fail to reject the null hypothesis. There is not enough evidence to reject the claim.
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a jeweler put these gemstones out on display today. gemstone quantity r…
(for part b): \( 3:4 \)
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scientists are measuring a distant planet’s temperature. the graph show…
(a) The statement "As the height increases, the temperature decreases" is correct. The rate is \( - 2.5^\circ \text{C} \) per kilometer (or we can say the temperature decreases at…
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(b) choose whether each number described below is a parameter or a stat…
| Number | Parameter | Statistic | | --- | --- | --- | | The 60 students pursuing a math degree among all the current students at the community college | ✔️ | | | The average age …
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a survey stopped men and women at random to ask them where they purchas…
The filled table is as follows: | | Store | Online | Total | |----------|-------|--------|-------| | Women | 29 | 20 | 49 | | Men | 31 | 20 | 51 | | Total | 60 | 40 | 100 |
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a random sample of students was surveyed and asked to list their grade …
The filled table is: | | Pets | No Pets | Total | |-----------|------|---------|-------| | 6th grade | 28 | 16 | 44 | | 7th grade | 21 | 30 | 51 | | 8th grade | 29 | 24 | 53 | | T…
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a random sample of people were surveyed on their favorite sport, as sho…
25%
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the median of 5, 7, 2, 9, 8 is: 5 7 8 6
B. 7
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nick is the kicker on his football team. at the beginning of practice e…
When he starts practicing, Nick kicks the ball 5 yards from the goal line.
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assume the geometric distribution applies. use the given probability of…
0.01890
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use technology to perform a linear regression to determine the equation…
\( 46.05 \)
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estimate the amount of the tip by rounding the bill to the nearest doll…
13.2
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it takes fiona 96 minutes to complete a 24 - mile bike course while bik…
- Checkpoint A (Number of Miles): 1 - Checkpoint B (Number of Minutes): 32 - Checkpoint C (Number of Miles): 16 (To complete the table: - A: 1 mile (matches 4 minutes) - B: 32 min…
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tina types 30 words per minute and james types 65 words per minute. wha…
D. 6:13
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write the number in decimal notation. 2.4 × 10⁻⁹ resources read it subm…
### Problem 1: Write \( 2.4 \times 10^{-9} \) in decimal notation #### Step-by-Step Explanation: To convert a number from scientific notation \( a \times 10^n \) to decimal notati…
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select the correct answer. which flaw in the government created by the …
C. The government was unable to provide for national defense and economic policy
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objective 4-1: make and understand scatter plots. 1. what type of assoc…
Nonlinear association ### Question 2
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evaluate the expression without using a calculator. (enter your answer …
\(5\times10^{-6}\) ### Second Sub - Question: Write 89,800,000,000 in scientific notation
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evaluate the expression without using a calculator. (enter your answer …
$5\times10^{-6}$
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read this sentence from the passage: rosita leaned in, pensive and focu…
A. engaged in deep thought
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kiras vegetable garden has an area of 300 ft². it is the shape of a rec…
\( 120 \) ft \( \times \) \( 50 \) ft \( = \) \( 6000 \) \( \text{ft}^2 \) ### Part (b)
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when you write a short story, why might you use a thesaurus to look up …
C. to vary the language and word choice (assuming the third option is labeled C; if the options are ordered as: 1. to add more words... 2. to be more precise... 3. to vary the lan…
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a 9-inch candle burns down in 12 hours. at what rate does the candle bu…
The candle burns at a rate of \( \frac{3}{4} \) (or 0.75) inches per hour.
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the table below shows a proportional relationship between y and z. | y …
\( 9 \) (or as a fraction \( \frac{9}{1} \))
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read the paragraph. max ____ the book of poetry aside. even though he h…
B. laid
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amelia left her house at time zero and drove to the store, which is 4 b…
Plot segments: (0,0)-(2,4), (2,4)-(4,4), (4,4)-(6,18), (6,18)-(9,18), (9,18)-(12,0)
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ling plans to collect data and plot them in a scatterplot to look for a…
c. positive relationship
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write the number in decimal notation. 4.2 × 10⁸ resources read it submi…
\(420000000\) ### Second Problem: \(8.265 \times 10^{-7}\) in decimal notation
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4. on a sixth grade field trip, there are 5 chaperones for every 30 stu…
25 ### Part (b)
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write the number in scientific notation. thickness of soap bubble: 0.00…
\( 1\times10^{-7} \)
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3) find the standard deviation by completing the table. n = the number …
The standard deviation is approximately \( 12.13 \) (after completing the table and performing the calculations as above).
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unit 3 unit rate & percentages: end of unit study guide for all questio…
D. 67% ### Question 2 - 4
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number of large posters | price (dollars) 5 | 178 8 | 274 11 | 370 14 |…
The delivery fee is 18 dollars.
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write the number in scientific notation. thickness of soap bubble: 0.00…
\( 1 \times 10^{-7} \)
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problem 8. draw a line of best fit in the scatter plot above. what is t…
B. \(y = -5x + 380\) (blue) ### Problem 9
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p(0)=90, p(1)=102.9 perfect! now remember to round to the nearest integ…
The two points are \((0, 98)\) and \((1, 103)\)
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tutorial exercise write the number in scientific notation. thickness of…
\(1\times10^{-7}\)
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how is the number of minutes related to the number of words? minutes? u…
The number of words is 15 times the number of minutes (unit rate = 15 words per minute, so words = 15 × minutes or minutes = words ÷ 15).
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suppose that y varies directly with x, and y = 4 when x = 20. (a) write…
(a) Equation: \( y = \frac{1}{5}x \) (b) \( y = \frac{9}{5} \) (or \( 1.8 \))