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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(b) a local store is selling fresh tuna. the table below shows the pric…
The price for each pound of tuna is not always the same. Predicted price for 8 pounds of tuna: $\$32$
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10. the histogram shows the number of hours that students in ms. vegas …
10 ### Question 10b
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use the number line to represent the solution to $120x + 180 \\leq 1,02…
The solution to the inequality \( 120x + 180 \leq 1020 \) is \( x \leq 7 \). On the number line, we would select the ray that points to the left (since \( x \) is less than or equ…
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12. destination weddings twenty - six percent of couples who plan to ma…
a. $\approx0.047$ b. $\approx0.087$ c. $\approx0.812$
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jasmine is on a cell phone plan where she pays $20 a month plus $0.10 p…
D. \( 20 + 0.10x \leq 40 \); She can send 200 text messages.
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2. the data shows the heights, in inches, of students in ms. toolan’s e…
# Explanation: ## Step1: Find the range of data First, find the minimum and maximum values. The minimum height is 50, and the maximum is 73. The range is \( 73 - 50 = 23 \). ## St…
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guided practice read this passage from “an episode of war.” but at this…
B. The wounds can make people understand how powerless humans are.
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which of these statements best describes the relation shown? | x | -5 |…
B. a function that is many-to-one
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read the excerpt from \youth activism and animal rights\ in addition to…
to emphasize the dedication and generosity of young activists
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17. baseball you run around the perimeter of the baseball field at a ra…
Approximately 112 seconds (or $\frac{550\pi + 1150}{9} \approx 111.9$ seconds)
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the function ( f(x) = 4x - 6 ) is shown in the table below. identify th…
domain: $\{-5, -2, 1, 5\}$ range: $\{-26, -14, -2, 14\}$
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same and different which of these are the same? which are different? $2…
All four expressions ($2.18 \times 10^{-2}$, $0.0218$, $2.18 \times \frac{1}{10^2}$, $2.18 \times \frac{1}{100}$) are the same; none are different.
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read the excerpt from \justin lebo\ on the way home, justin was silent.…
D. There are not enough bicycles for the residents of the Kilbarchan Home for Boys
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youve finished the script and are ready to record the video. what does …
B. Convert (sound or a performance) into permanent form for later reproduction
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match the description to the term. 1. teachers, pastors □ intimate 2. t…
1. teachers, pastors → formal 2. textbooks → frozen 3. baby's talk → intimate 4. friends at school → casual 5. often changes meaning and usage → casual
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you get in touch with your friend taylor and tell him all about whats b…
You contact Taylor by calling or texting him.
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which sentence best describes how the author develops the theme that th…
The author develops the theme by making the young boy have an authentic reaction to his older brother’s insult that results in real fun.
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how the author develops the theme that the meaning of life is in living…
The author develops the theme by making the young boy have an authentic reaction to his older brother’s insult that results in real fun.
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weve had to ask video platforms to take down many videos because they v…
A. Thank you
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which of the following paragraphs tells a narrative (story)? im writing…
I'm writing to ask permission to use your video game images and music. I've been playing your game since it was launched. In the past, I had a hard time doing well in video games.…
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what is the median annual wage for management occupations according to …
D. $97,970
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match the description to the term. 1. textbooks □ formal usage 2. eleme…
1. textbooks → frozen usage 2. elements surround a word which clarify the meaning → context 3. the way in which English is used → usage 4. family and friends → intimate usage 5. f…
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reflect 1. when you move the decimal point, how can you know whether yo…
- Moving decimal **right**: Number increases (multiplied by \( 10^n \), \( n \) = places moved). - Moving decimal **left**: Number decreases (multiplied by \( 10^{-n} \), or divid…
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match the definition to the term. 1. suggested meaning of a word; diffe…
1. connotation 2. general semantics 3. linguistic semantics 4. philosophical semantics 5. semantics 6. semasiology and significs 7. semantikos
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pierre, yvens ela - gr 9 - crm 3.2 cask - benchmark checkpoint 1 of 7 1…
B. escaped
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task 6: find the probability of the event below. give your answer as a …
1. Fraction: $\frac{6}{11}$, Percentage: $\approx 54.55\%$ 2. Fraction: $\frac{5}{7}$, Percentage: $\approx 71.43\%$
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task 5: find the probability of the event below. give your answer as a …
a) Fraction: $\frac{3}{62}$, Percentage: $\approx 4.84\%$ b) Fraction: $\frac{7}{124}$, Percentage: $\approx 5.65\%$ c) Fraction: $\frac{7}{124}$, Percentage: $\approx 5.65\%$ d) …
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find the rule. solve for n. x | y 10 | 1 12 | 3 15 | 6 20 | n rule:
The rule is \(Y = X - 9\) and \(n = 11\)
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task 4: find the probability of the event below. give your answer as a …
a) Fraction: $\frac{21}{256}$, Percentage: $\approx 8.20\%$ b) Fraction: $\frac{1}{32}$, Percentage: $3.125\%$ c) Fraction: $\frac{49}{256}$, Percentage: $\approx 19.14\%$ d) Frac…
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task 3: determine whether the events below are independent or dependent…
1. Dependent 2. Independent 3. Independent 4. Independent
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a software company is interested in improving customer satisfaction rat…
1.51
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1. a jar contains 32 red marbles and 28 blue marbles. what is the proba…
1. $\frac{8}{15}$ 2. $\frac{5}{11}$ 3. $\frac{5}{18}$ 4. $\frac{1}{2}$
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what percent of 110 is 44?
40%
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an airline would like information on which seat is preferred by custome…
1. Population parameter: The proportion of all airline customers who prefer window seats 2. Met z-distribution condition: \(n\hat{p} \geq 10\) and \(n(1-\hat{p}) \geq 10\) (or "Sa…
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a competency test is modified so that the proportion of test - takers t…
- \(n=\boldsymbol{100}\) - Number passed \(=\boldsymbol{80}\) - Sample proportion \(\hat{p}=\boldsymbol{0.8}\) - \(z=\boldsymbol{1.15}\) - p - value \(=\boldsymbol{0.124}\)
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find the product. 749.3 ×.037
\(27.7241\)
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task 2: find the probability of the event below. give your answer as a …
1. Fraction: $\frac{13}{20}$, Percentage: 65% 2. Fraction: $\frac{5}{6}$, Percentage: $\approx 83.33\%$ 3. Fraction: $\frac{5}{6}$, Percentage: $\approx 83.33\%$
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5.4 quote analysis: nations are groups of people with a common history.…
C. control
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simplify this expression, and enter your answer in scientific notation.…
$6.75 \times 10^4$
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22. there are 64 crayons in each box. a school bought 25 boxes of crayo…
Each class will receive 320 crayons. First, find the total number of crayons by multiplying 64 (crayons per box) by 25 (boxes), which equals 1600. Then divide this total by 5 (cla…
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m5 homework score: 53/64 53/64 answered question 54 find this quotient.…
$1.3 \times 10^{15}$
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m5 homework score: 52/64 52/64 answered question 53 find this product. …
$8.91 \times 10^7$
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which graph shows the solution set of $-2x > 4$?
C. The graph with an open circle at -2 and an arrow pointing to the left (towards values less than -2)
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which best describes the association shown in the scatter plot below? n…
Positive and linear
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mr. newmans class conducted a survey on the number of chores students c…
A. Bryan's conclusion is false since both variables of number of chores and amount of allowance are decreasing, which means there is a positive association since the variables are…
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consider the following sequence where $f(1) = 256$. 256, 128, 64, 32, ……
Next two terms: 16, 8 Sequence type: Geometric
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four students created scatter plots on a graph. graph 1\tgraph 2\tgraph…
s: - Annie: Graph 4 - Henry: Graph 1 - Michael: Graph 2 - Julie: Graph 3
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question 2 10 pts choose the best answer for each of the following. a. …
s: a. Increase b. Show no association (or be unpredictable) c. Decrease
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name solve each problem below. 1. a fifth grade class had a 3 month rea…
D. 35.875 pounds ### Problem 2
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solve each problem below. date 1. the fifth graders are in the science …
A. 1.25 milliliters ### Problem 2
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justine and barbara each want to run for president of their school’s st…
In 1 day, Justine and Barbara will each have collected 20 signatures.
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name solve each problem below. 1. four students ran a relay race on fie…
D. 1 mile ### Problem 2
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4. kelly hiked a trail over the weekend. on saturday she hiked 12.535 m…
C. 22.285 miles
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2. the graph shows the relationship between the number of cartons and t…
| Cartons | 1 | 2 | 3 | 4 | |---------|---|---|---|---| | Eggs | 3 | 6 | 9 | 12 |
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3 how far from home did the student travel after 30 minutes? a 5 km b 7…
B. 7.5 km
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3. a fifth grade class has planted a garden. they are measuring the gro…
D. 3.975 inches
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4 when building a distance - time graph, which variable goes on the y -…
A. The dependent variable, distance
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2. two fifth grade classes collected canned goods to donate to the food…
A. 0.545 pounds
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1. sam is loading 3 boxes at work to be shipped. the first box weighs 1…
D. 70.095 pounds
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comparing proportional relationships 1 the graph shows the relationship…
(part a): The unit rate of the red line is 9 milliliters per second. We know this because for a proportional relationship (passing through the origin), the unit rate is the slope,…
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4. divide five - tenths by two - tenths. a. 0.0025 b. 0.025 c. 0.25 d. …
D. 2.5
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has $\frac{1}{2}$ shaded; does not have $\frac{1}{2}$ shaded; bin a; bi…
The square belongs in the "Does not have $\frac{1}{2}$ shaded" box.
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find the critical value ( z_{alpha/2} ) that corresponds to the confide…
1.48
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find the critical value ( z_{alpha/2} ) that corresponds to the confide…
1.41
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find the critical value $z_{\\alpha/2}$ that corresponds to the confide…
2.05
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find the critical value ( z_{alpha/2} ) that corresponds to the given c…
1.51
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find the rate of change represented by the data in the table below. \\b…
Rate of Change: $\frac{2}{5}$ (or 0.4) a) positive
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find the rate of change represented by the data in the table below. x|-…
Rate of change: $\boldsymbol{\frac{-2}{7}}$ b) negative
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89. which geographic feature most influenced early chinese settlement? …
B. Yellow River ### Question 90
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in the decathlon event at large track meets, male athletes compete in a…
Those with lower 200-meter times tend to have longer javelin distances. The relationship is moderate.
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the scores for 21 students on an exam are summarized in the stemplot gi…
The mean will increase but the median will be unchanged.
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the scatterplot illustrates the relationship between two quantitative v…
strong, negative, and linear.
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64. which best describes the han government? a. harsh and cruel b. stab…
B. Stable and long - lasting ### Question 65
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for the purposes of constructing modified boxplots, outliers are define…
0.0070
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question 5. what do humanists think about religion? use the sentence st…
Humanists think that religion is not a necessary foundation for morality, meaning, or a fulfilling life, and they emphasize the importance of human reason, ethics, compassion, and…
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which statement best answers the supporting question \what is one expla…
D. More people are moving to urban areas because of increasing opportunities there.
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interpreting data 100-meter times (sec) the stemplot displays the times…
22, 24.5, 26, 28, 30
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an indoor running track is 200 meters in length. during a 3,000 - meter…
- The interval from 37 to 38 seconds saw the most lap times. - There were three laps with times greater than 38 seconds.
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interpreting data grabbing pretzels the scatterplot displays the number…
minimizes the sum of the squared vertical distances from the points to the line.
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using technology, the slope of the least-squares regression line is 0.1…
−0.10, which means for each additional absence, the GPA is predicted to decrease by 0.10 points.
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understand, express, and compare percent ratios 1. in a louisiana chili…
55% ### Problem 2
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a guidance counselor wants to determine if there is a relationship betw…
31% of the variation in the GPA is accounted for by the linear relationship with number of absences.
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the owner of a used car dealership is trying to determine if there is a…
3860.7
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m5 practice c - operations with monomials score: 8/12 8/12 answered que…
$-3.8 \times 10^{25}$
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in a statistics class, a teacher had the students complete an activity …
3.05
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in each of her basketball games this season, belle recorded the number …
8 points
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in a statistics class, a teacher had the students complete an activity …
B. About 52.1 percent of the variation in number of bite-sized pretzels grabbed with the dominant hand is accounted for by the linear relationship formed with handspan.
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in a statistics class, a teacher had the students complete an activity …
D. The average residual is about 3.05 pretzels.
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the length, ( x ) (in inches), and weight, ( y ) (in ounces), for a typ…
B. 96% of the variation in the bass's weight is determined by the variation in the bass's length.
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lana correctly answered 48 of the 60 questions on a math exam. what per…
80%
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another acquaintance. senders could dispatch e letter to only one frien…
Milgram’s experiment explored how a letter traveled through social networks (acquaintances) to a target, finding a median of ~5 intermediaries and large geographic spread, highlig…
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a guidance counselor wants to determine if there is a relationship betw…
0.691
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the following table gives projections of the population of a country fr…
$f(x)=2.14x + 282.2$
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use the data in the following table, which lists drive - thru order acc…
\(0.680\)
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an airline gathers data on late departures and early arrivals over a mo…
\( P(\text{late departure or early arrival}) = 0.12 + 0.27 - 0.04 \) (the third option)
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the table gives the projections of the population, in millions, of a co…
a. D b. \( y = 1.905x + 245.638 \)
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discuss whether the scatter plot on the right should be modeled by a li…
No
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compare the two box plots and use the drop - down menus to determine wh…
s: - Interquartile range for Resort A: \( \boldsymbol{50} \) - Interquartile range for Resort B: \( \boldsymbol{75} \)
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what percentage of the shape is blue? write your answer using a percent…
80%
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question the box - and - whisker plot below represents some data set. w…
70