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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jermaine buys t - shirts for $6 each and marks up the price by 45%. how…
The profit Jermaine makes for each T - shirt sold is $\$2.70$.
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indian boarding schools reflection questions 1.document c- what do you …
The subfield is History (under Social Science).
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when diego was a child, he and his dad planted a small apple tree. for …
The graph at the Bottom - Right (the fourth graph, bottom - right corner)
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4-4 & 4-5: lesson quiz 7a the table shows the participation in a school…
D. The greatest growth was between years 1 and 2. The growth between those years was about 36%.
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a body builder consumed 4,400 calories yesterday. today, he consumed 3,…
18%
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question a rocket is shot off from a launcher. the accompanying table r…
The height of the rocket at \(x = 5.5\) seconds is approximately \(\boxed{215}\) feet.
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camila’s quinceañera is coming soon! as the rsvps arrive, she tracks th…
The graph on the Left
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on saturday afternoon, mia walked to the park to play basketball with h…
The Middle Graph (the second graph shown)
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emily lives in a third - floor apartment. this morning, she walks downs…
The graph on the Left
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imagine a study that is intended to look at the entire population of a …
D. Under - coverage
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a towns population of children increased from 376 to 421 during the pas…
A. \( p = \frac{421 - 376}{376} \)
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when camilla woke up, she discovered that it had snowed several inches …
The graph on the Right
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in a survey, asking whether or not unemployed people should be allowed …
D. question - wording bias.
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a ____ sample is taken from the entire population, without a person cho…
A. random
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a sample that uses only people who are easy to contact is called a: a. …
C. convenience sample.
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question 3 of 10 which of these would probably occur from under-coverag…
D. Results not reflecting the population
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under-coverage may result from a: a. simple random sample. b. random sa…
D. convenience sample.
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question 10 of 10 if a study showed that students that have more hours …
A. negative correlation.
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state whether each standardized test statistic \\(\\chi^2\\) allows you…
B. Do not reject the null hypothesis because the standardized test statistic is not in the rejection region. ### Part (c)
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state whether each standardized test statistic $chi^2$ allows you to re…
A. Do not reject the null hypothesis because the standardized test statistic is not in the rejection region.
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question 6 of 10 bald people who wear diapers tend to cry more often th…
C. hidden variable.
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8. table item complete the table if the cost y varies directly with the…
### Problem 8 (Table Completion, Direct Variation) # Explanation: ## Step1: Find the constant of variation Since \( y \) varies directly with \( x \), the relationship is \( y = k…
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question 5 of 10 if two sets of data are correlated, this means that: a…
C. they are related, but one might not be causing the other.
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question 4 of 10 in a study on test scores at different schools, which …
C. Name of the school
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congress in a flash help the historian. someone has found an early copy…
### Section 2 Questions: 1. The House of Representatives. 2. Representative. 3. 25 years old. 4. Citizen. 5. When elected, they must live in the state they are chosen to represent…
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question 2 of 10 correlation is: a. a study in which researchers change…
B. a relationship between two or more variables.
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4 fill in the blank 15 points there are 8 people running a race. how ma…
For the first blank: \(40320\) For the second blank: \(336\)
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what is the meaning of adversely as used in the text? additionally acci…
negatively
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determine whether the normal sampling distribution can be used. the cla…
Use the normal distribution.
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4-51 the choir is planning a trip to the water park. the cost to use a …
This is not a proportional relationship because the cost per student (the ratio of total cost to number of students) is not constant, and the relationship does not pass through th…
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(a) what is the distance traveled at 0 hours? □ miles (b) what is the d…
(a) \( \boldsymbol{0} \) miles (b) Let the rate be \( r \), if the line passes through \( (0,0) \), at 1 hour, distance is \( \boldsymbol{r} \) (but typically, if we assume a comm…
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which statement from \aint i a woman?\ is an example of pathos? well, c…
C. I have borne thirteen children, and seen most all sold off to slavery, and when I cried out with my mother’s grief, none but Jesus heard me!
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(a) \\(\\frac{6\\cdot5\\cdot4\\cdot3\\cdot2\\cdot1}{5\\cdot4\\cdot3\\cd…
s: (a) \(\boldsymbol{6}\) (b) \(\boldsymbol{56}\) (c) \(\boldsymbol{6}\) (d) \(\boldsymbol{720}\) (e) \(\boldsymbol{4}\) (f) \(\boldsymbol{30}\) (g) \(\boldsymbol{10100}\) (h) \(\…
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timothy and ralph counted the coins in their coin collections. timothy …
The first blank (for dimes) is 35, the second blank (for quarters) is 39, and the total value \(t = \$27.94\). So the completed equation is \(t=(919\times\$0.01)+(110\times\$0.05)…
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find the critical $\\chi^2$-value to test the claim $\\sigma^2 \\leq 3.…
C. 36.191
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across 4. a session at which a committee listens to testimony from peop…
Here are some solved answers (example - focused on a few clear ones): - Down 2: bill - Across 23: census - Across 11: redistrict - Across 19: bicameral - Across 17: executive
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what does \lara y cailan son mejores amigas\ mean? (1 point) lara and c…
C. Lara and Cailan are best friends.
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you lose 0.3 point for stepping out of bounds during a gymnastics floor…
The score without the penalty is \( 9.424 \).
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lesson 4.2.1 recognizing proportional relationships 4-29 the lemonade s…
Paula's family will pay $14.40.
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5 fill in the blank 20 points (a) a deli has a lunch special which cons…
24 ### Part (b)
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why is it important for a reader to interpret the way a central conflic…
A. It allows a reader to determine meaning in a story.
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4. a partially completed input - output table is shown. complete the ta…
To complete the table to represent a function, we ensure each input has exactly one output. Using the linear function \(y =-\frac{3}{2}x-\frac{1}{2}\) (derived from the points \((…
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which of the following sentences means \i sleep in my bed.\? (1 point) …
The correct option is the fourth one: Duermo en mi cama.
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3 fill in the blank 15 points (a) a pizza shop offers twelve different …
(a) \(\boldsymbol{220}\) (b) \(\boldsymbol{120}\) (c) \(\boldsymbol{60}\) (d) \(\boldsymbol{176}\)
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4.9.17-10 timothy and ralph counted the coins in their coin collections…
B. You need to multiply the number of each type of coin by the value of that type of coin to find the total value of each collection.
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timothy and ralph counted the coins in their coin collections. timothy …
D. No. How many more coins Timothy has than Ralph is not needed.
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there are 1,000 students in justins high school. 82% of the students ar…
820
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2 matching 15 points directions: determine whether each is an example o…
s (for each scenario): 1. Permutation 2. Permutation 3. Combination 4. Combination 5. Permutation (with repetition)
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the legislative branch crossword across 4. a session at which a committ…
To solve the crossword, we match each clue to the correct term based on definition and letter count (grid squares). Here are key answers: ### Across: 4. **hearing** (session for t…
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what is the definition of simile? (1 point) ○ the use of exaggeration f…
B. a comparison between two unlike things, using the words "like" or "as"
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elena bought 2.2 pounds of each type of fruit shown on the sign. what w…
7.70
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mateos diner offers its clients a choice of regular and diet soda. last…
12%
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elena bought 2.2 pounds of each type of fruit shown on the sign. what w…
D. \( c = (2.2 \times \$1.30) + (2.2 \times \$1.35) + (2.2 \times \$0.85) \)
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kaylees burgers cooks its burgers either well done or medium. last nigh…
\(22\%\)
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use the information from the equations you wrote to fill in the sentenc…
The subfield is Business - Finance. The equations represent currency exchange rate relationships (converting between US dollars and other currencies, e.g., pesos) where \( p \) an…
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there were 8,000 people at a real estate conference. 46% of them were w…
3680
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elena bought 2.2 pounds of each type of fruit shown on the sign. what w…
B. The total cost of 2.2 pounds of pears, grapes, and apples
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(a) twelve skiers are competing in the final round of the olympic frees…
24 ### Part (e)
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the bookstore has 111 womens magazines and 37 other magazines. what per…
75%
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1 of 4 read the sentence from the section \mountains and highlands,\ th…
D. built
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read the sentence from the section \cultural geography: historic cultur…
A. remembered
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what is the purpose of \for the equal rights amendment\? ○ to call for …
A. to call for a change to the Constitution
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1. grid fluff and fold charges $2.25 for each load of laundry. (lesson …
(Part A Graph Description): Plot points \((0,0)\), \((1, 2.25)\), \((2, 4.5)\), \((3, 6.75)\), \((4, 9)\) and draw a line through them.
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2. a mail carrier delivered mail on two different routes: the morning r…
The distance of the morning route is \( 5.25 \) miles. ### Problem 3
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apply animal care a veterinarian measures the changes in a cat’s weight…
The cat's weight after its last visit is \(\boldsymbol{14.6}\) pounds.
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can a critical value for the chi-square test be negative? explain. choo…
B. No, in a chi - square distribution, all \(\chi^{2}\) - values are greater than or equal to 0.
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2. open response daniella makes apple pies each fall. the cost at the l…
\( \$33.75 \)
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check during the annual hot air balloon rally, hot air balloon pilots t…
317.79
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4-50 complete the proportion table below and graph the results. | pound…
The unit rate (price) of the graph is $\$0.43$ per pound of nails. ### Part (b)
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earch center claims that at least 30% of adults in a certain country th…
For part (d): Reject the null hypothesis. There is enough evidence to reject the center’s claim. So the blanks: "Reject" the null hypothesis. There "is" enough evidence to "reject…
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laundry b. describe how the unit rate is represented in the graph. 2. o…
\( \$33.75 \) ### Problem 4 (Open Response: Slope of the line)
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hinduism ____ ahimsa\ta. the act of worship in hinduism ____ guru\tb. s…
### Matching: - Ahimsa - G - guru - I - soul - J - Brahman - B - karma - C - Hindus - H - puja - A - atman - J - tantrism - E - Ganges - D ### Hindu Gods Description: - Vishnu: Pr…
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identify the rejection region(s). select the correct choice below and f…
D. The rejection region is \(z\geq1.65\) (assuming \(\alpha = 0.05\) for a right - tailed test; the value may change depending on the significance level, but a common value for a …
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question of the day and the answer why would we want to make conditiona…
To study physical phenomena (e.g., conservation of momentum/energy), analyze impact forces, or model real - world scenarios (e.g., engineering safety, physics experiments) by cont…
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hinduism _____ artiosa a. the act of worship in hinduism _____ gita b. …
### Matching (Hinduism Terms - Definitions): - Aarti - A. The act of worship in Hinduism - Guru - I. Spiritual teacher or guide in Hinduism - Vedas - F. Ancient body of sacred Hin…
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2. write two equations to represent the proportional relationship betwe…
s: - \( p = 17d \) - Explanation: If 1 U.S. dollar can be exchanged for 17 Mexican pesos, then \( p \) (Mexican pesos) is 17 times \( d \) (U.S. dollars), showing how many pesos y…
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fill in the blank 15 points (a) twelve skiers are competing in the fina…
1320 ### Part (b)
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1. grid fluff and fold charges $2.25 for each load of laundry. (lesson …
\( \$33.75 \) ### Question 3 Solution (Multiple Choice: Slope of the hill)
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becca paid a total of $751 for tuition and lab fees for fall semester. …
Part 1: 36 Part 2: 715
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scenario:bonds gym has developed a reputation for great customer servic…
First blank: excess demand (or similar supply - demand related term for when demand exceeds available supply of memberships) Second blank: more
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1. grid fluff and fold charges $2.25 for each load of laundry (lesson 1…
\(\$33.75\) ### Question 3 (Multiple Choice: Slope of the Hill)
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8) the table below gives the number of hours spent studying for a scien…
False ### Part 10)
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3. how are the constants of proportionality from problems 1 and 2 relat…
- To convert from gallons to pints, you can multiply the number of $\boldsymbol{\text{gallons}}$ by $\boldsymbol{8}$. - To convert from pints to gallons, you can multiply the numb…
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select the graphs that show a proportional relationship between x and y.
The graph on the Right
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estimate the amount of the tip by rounding the bill to the nearest ten …
56
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6 josh has a rewards card for a movie theater. • he receives 15 points …
C. \( 55 \leq 3.5x + 15 \)
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select the graphs that show a proportional relationship between x and y.
The graph on the Left (the first graph)
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fill in the blank 20 points ms. mathy surveyed 430 men and 200 women ab…
A) $\frac{23}{40}$ B) $\frac{11}{18}$ C) $\frac{54}{77}$ D) $\frac{17}{126}$ Table: | | Blue | Not Blue | |----------|------|----------| | Men | 160 | 270 | | Women | 85 | 115 |
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2. if you know the volume of something in pints, you can calculate its …
\(\frac{1}{8}\) ### Part b: Equation for Relationship
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dan runs each lap in 6 minutes. he will run at most 54 minutes today. w…
\( n \leq 9 \)
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who will run less than 29 miles this week. so far, she has run 13 miles…
\( t < 16 \)
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mr. russo had 6.25 cubic feet of potting soil in his raised garden bed.…
The inequality is \( 6.25 + x \geq 9 \), and there was at least \( 2.75 \) cubic feet of soil in the bag.
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the median of 5, 7, 2, 9, 8 is: 5 7 8 6
To find the median, first we sort the numbers: \(2, 5, 7, 8, 9\). There are 5 numbers (an odd count), so the median is the middle number, which is the 3rd number. The 3rd number i…
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what percentage of the shape is green? write your answer using a percen…
3%
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at a local restaurant, the amount of time that customers have to wait f…
\( 0.819 \)
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the amount of time a certain brand of light bulb lasts is normally dist…
$25.1\%$
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obtain an estimate for the following computation without using a calcul…
For the estimate choice: D. 100 For the reasonability: B. The estimate is a little higher than the actual result. The difference is \(1.14\)
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determine the following estimate without using a calculator. then use a…
B. The estimate is a little higher than the actual result. The difference is $2.85 per hour.
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obtain an estimate for the following computation by rounding the number…
C. Reasonable. The estimate seems a little lower compared to the actual answer.
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refer to the following statement to answer parts (a) through (c) below.…
A. let \( p \) = I dress quickly, let \( q \) = I take the express train, and let \( r \) = I get to work on time; \( (p \vee q) \wedge eg r \) ### Part (b)