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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seven balls numbered 1 to 7 are placed in a bag. some of the balls are …
### Part (a) #### Event A: The selected ball has a number from 2 to 5 ## Step1: Identify outcomes for Event A Numbers from 2 to 5 are 2, 3, 4, 5. So the outcomes are 2, 3, 4, 5. N…
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measures of spread (variation): range & interquartile range (iqr) measu…
The range is \(5\).
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measures of spread (variation): range & interquartile range (iqr) measu…
25 ### Problem 2: 8, 90, 5, 80, 27, 50
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12. a group of hikers is descending a mountain at a rate of 600 feet pe…
c. 2400 feet ### Question 23
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7 4 7 3 9 4
34
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sense of identity sense of identity is important. during your teen year…
To solve this, we analyze each scenario's impact on self - identity: ### Scenario 1: Dom Dom focuses on making friends laugh instead of doing math work. This shows he identifies a…
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measures of spread (variation): range & interquartile range (iqr) measu…
25 ### Problem 2:
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meaning of the slope: each additional cup of coffee ________ (increases…
C) 38
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measures of s p r e a d (variation): range & interquartile range (iqr) …
\(25\) ### 2)
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a florist records the amount of money he spent on gasoline each week to…
44 (the option with 44)
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below is a stem and leaf plot of the ages of the u.s. olympic soccer te…
18 (corresponding to the option "18")
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measures of spread (variation): range & interquartile range (iqr) measu…
\(25\) ### Problem 2:
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4. based on the data in the stem and leaf plot: what is the *most commo…
C. 45 (assuming the stem - leaf plot has 45 with the highest frequency among the given options) (Note: Since the stem - leaf plot is not visible, this answer is based on the assum…
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8. based on the data in the stem and leaf plot: how many players are on…
C. 20
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9. based on the data in the stem and leaf plot: how many players are 25…
12 (assuming the stem - and - leaf plot has the appropriate number of leaves for ages 25 and above that sum up to 12)
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question 10 - dot plots challenge the dot plots below represent two set…
II and III (the option with "II and III")
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10. based on the data in the stem and leaf plot: how many players on th…
none (the option with "none" text)
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11. based on the data in the stem and leaf plot: how many players on th…
9
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8. based on the data in the stem and leaf plot: how many players are on…
To solve these problems, we need the stem - and - leaf plot data. Since the stem - and - leaf plot is not provided, we can't calculate the number of players on the team (problem 8…
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8. based on the data in the stem and leaf plot: how many players are on…
To solve these problems, we need the stem - and - leaf plot data. Since the stem - and - leaf plot is not provided, we can't calculate the number of players on the team (for quest…
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range: the difference between the maximum and minimum values in a data …
25
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7. based on the data in the stem and leaf plot: how many students score…
7
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question 7 - box plots what is the interquartile range of the box plot …
2 ### Question 9 - Box Plots
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4. based on the data in the stem and leaf plot: what is the lowest grad…
D. 40 ### Question 6
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question 2 - box plots what is the value of the third quartile in the b…
60 (corresponding to the option with 60)
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4. based on the data in the stem and leaf plot: what is the lowest grad…
40 (the option: 40) ### Question 6
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4. based on the data in the stem and leaf plot: what is the lowest grad…
D. 40 ### Question 6
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question 6 - dot plots the box plot below shows the number of goals jes…
mean = median
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question 1: the dot plot shows the number of goals scored in each socce…
mean > median
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you try: find the range for the following data. 1) 34, 15, 9, 33, 27, 1…
25 ### Problem 2:
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3. based on the data in the stem and leaf plot: how many students spent…
B. 6 ### Question 4
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question 5 - dot plots which statement is true about the dot plot below…
The median and the mode are the same. (The option corresponding to this statement, e.g., if the options are labeled as A, B, C, D, then it would be the option with this text. Assu…
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3. based on the data in the stem and leaf plot: how many students spent…
To solve these problems, we need the stem - and - leaf plot data. Since the stem - and - leaf plot is not provided in the question, we can't directly calculate the answers. Howeve…
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7. directions complete the bar chart by clicking the location of each b…
To create the histogram: - **X - axis**: Label as "Temperature (\(^{\circ}\)F)" with intervals \(40 - 49\), \(50 - 59\), \(60 - 69\), \(70 - 79\). - **Y - axis**: Label as "Number…
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1. based on the data in the stem and leaf plot: how many students are i…
21 (the option with 21, e.g., if the options are A.17, B.18, C.24, D.21, then D. 21) ### Problem 2
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1. based on the data in the stem and leaf plot: how many students are i…
To solve these problems, we need the stem - and - leaf plot data. Since the stem - and - leaf plot is not provided, we can't directly calculate the answers. However, we can explai…
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measures of spread (variation): range & interquartile range (iqr) measu…
The first blank: maximum; The second blank: minimum
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measures of spread (variation): range & interquartile range (iqr) measu…
25 ### 2) For data: 8, 90, 5, 80, 27, 50
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6. what percentage of data that is ±2 standard deviations from the mean…
95% (corresponding to the option with "95%")
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9. for males in a certain town, the systolic blood pressure is normally…
(83, 137)
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as people exited a movie theater, they were informally surveyed about w…
\(a = 41\%, b = 3\%\) (corresponding to the option \(a = 41\%, b = 3\%\))
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at the kansas city airport, a group of pilots for skyways and yellow je…
Yellow Jet, going east
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9. the weight of oranges growing in an orchard is normally distributed …
68% (corresponding to the option with "68%")
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a residential community was polling households to find out whether they…
a = 38%, b = 3% (corresponding to the option "a = 38%, b = 3%")
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complete the sentence using the correct verb. protect protects some cob…
protect ### 2. Is this a simple, compound, or complex sentence?
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a soccer coach surveyed the players to determine the number of players …
a = 27%
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question 22, 9.2.51 hw score: 95%, 24.7 of 26 points points: 0.5 of 1 s…
To solve this problem, we need the population and land area of the country in 1900 from the bar graph (which is not provided here). However, assuming we have the population \( P \…
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mr. capuano, an art teacher, surveyed his students to find out whether …
6% (the option corresponding to 6%)
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a survey of 112 high school students determined whether they used insta…
50
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an informal survey was taken at a farmer’s market. people were asked wh…
\(a = 12\%, b = 18\%\) (the option: \(a = 12\%, b = 18\%\))
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a survey of 112 high school students determined whether they used insta…
34
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summer plans | | camp | no camp | total | |---------------|------|-----…
44%
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a survey of 112 high school students determined whether they used insta…
93
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a survey of 112 high school students determined whether they used insta…
11
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a survey of 112 high school students determined whether they used insta…
13
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10. on a standardized exam, the scores are normally distributed with a …
1
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the venn diagram below shows the 11 students in mr. tran’s class. the d…
### Part (a) #### Step 1: Find \( P(A) \) - **Explanation**: Count students in Science Club (A). Science Club has Chang, Manuel, Kala, Felipe. Total: 4? Wait, no. Wait the Venn di…
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when the members of a family discussed where their annual reunion shoul…
\( 16 \)
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underline the adverbs & adjectives. people usually survive the bite of …
### 1. Underline the ADVERBS & ADJECTIVES - Adverbs: *usually*, *immediately* - Adjectives: *venomous*, *medical* ### 2. Which word could be found on this page of a dictionary? Di…
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the venn diagram below shows the 15 students in mr. andersons class. th…
\( \boldsymbol{P(A \text{ or } B)} \) ### Final Answers for (a) \( P(A)=\boldsymbol{\frac{8}{15}} \) \( P(B)=\boldsymbol{\frac{11}{15}} \) \( P(A \text{ or } B)=\boldsymbol{\frac{…
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in a survey of employees at a fast food restaurant, it was determined t…
12
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in a survey of employees at a fast food restaurant, it was determined t…
22
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the venn diagram below shows the 9 students in ms. nelsons class. the d…
### Part (a) #### Step 1: Find \( P(A) \) - Explanation: Count students in Tennis Club (A). - Tennis Club (A) has Alan, Ashley, Tammy, Trey, Debra. So \( n(A) = 5 \). Total studen…
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in a survey of employees at a fast food restaurant, it was determined t…
6
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in a survey of employees at a fast food restaurant, it was determined t…
13
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the manager of a restaurant found that the cost to produce 300 cups of …
\( C(x)=0.097x + 1.34 \) ### Part b: What is the fixed cost?
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in a survey of employees at a fast food restaurant, it was determined t…
5
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what is the term for a factor that might affect observations? select ch…
variable
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in a survey of employees at a fast food restaurant, it was determined t…
37
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a magazine surveyed subscribers, asking which of the following reality …
471
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2. find the variance of the sample for the five states with the most co…
\(9766.5\)
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a magazine surveyed subscribers, asking which of the following reality …
331
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a tile is selected at random from 8 tiles. each tile is labeled with a …
### Part (a) #### Event X: Selecting a vowel The first 8 letters of the alphabet are A, B, C, D, E, F, G, H. The vowels among these are A and E. So there are 2 favorable outcomes.…
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a magazine surveyed subscribers, asking which of the following reality …
\(30\)
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a magazine surveyed subscribers, asking which of the following reality …
134
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a magazine surveyed subscribers, asking which of the following reality …
498
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complete parts (a) through (c). write the probabilities as fractions. (…
\( 1 \) ### Part (c)
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a survey of 65 customers was taken at a bookstore regarding the types o…
22
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1. find the standard deviation of the sample for the five states with t…
\(98.8\)
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a survey of 65 customers was taken at a bookstore regarding the types o…
36
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true or false: hypothesis testing requires carefully planned, painstaki…
True
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a survey of 65 customers was taken at a bookstore regarding the types o…
53
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a survey of 65 customers was taken at a bookstore regarding the types o…
11
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a survey of 65 customers was taken at a bookstore regarding the types o…
10
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thirty-three cities were researched to determine whether they had a pro…
13
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thirty-three cities were researched to determine whether they had a pro…
14
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thirty-three cities were researched to determine whether they had a pro…
23
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thirty-three cities were researched to determine whether they had a pro…
7
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reread paragraph 4. based on the text, what do you think the word \drou…
C. Extremely dry conditions (assuming the third option is labeled C; if the original labeling was different, adjust the identifier but keep the text "Extremely dry conditions").
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thirty-three cities were researched to determine whether they had a pro…
\( 4 \)
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reread paragraph one. based on the text, what do you think the word \in…
A. Able to be switched
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a survey of 120 high school students determined whether they used insta…
52
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a survey of 120 high school students determined whether they used insta…
35
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a survey of 120 high school students determined whether they used insta…
96
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a survey of 120 high school students determined whether they used insta…
14
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complete parts (a) through (c). write the probabilities as fractions. (…
### Part (a) - Identifying Outcomes We assume we are rolling a standard six - sided die (numbers 1 - 6). - **Event A (Rolling 5 - 6)**: The outcomes are 5, 6. So we check the boxe…
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this assignment has not been started. groundwork for a better vocabular…
The teacher’s abrupt departure from the classroom surprised all the students, as she had been teaching just moments before.
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contributions of native americans names and language native american cu…
c. a Native word adopted popularly into the English language (assuming the options are labeled a, b, c with the third being this; if original options had different labels, adjust,…
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zach recalled how many goals he had made in soccer practice each day. g…
10
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in which scenario is a reader using syntax to determine the meaning of …
C. The reader determines if a word is an adjective or an adverb.