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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explain what \statistical significance\ means. choose the correct expla…
A. Statistical significance means that the result observed in a sample is unusual when the null hypothesis is assumed to be true.
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the headline reporting the results of a poll conducted by the gallup or…
B. All the values within the margin of error are greater than \(50\%\)
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suppose a researcher is testing the hypothesis $h_0: p = 0.6$ versus $h…
D. If the P - value for a particular test statistic is 0.27, she expects results at least as extreme as the test statistic in about 27 of 100 samples if the null hypothesis is tru…
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suppose a researcher is testing the hypothesis $h_0: p = 0.6$ versus $h…
D. If the P - value for a particular test statistic is 0.27, she expects results at least as extreme as the test statistic in about 27 of 100 samples if the null hypothesis is tru…
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a random sample of 200 high school students were surveyed to see whethe…
The second table (from the left, the one with Physics: 18%, 2%; Not in Physics: 24%, 56%; Total: 42%, 58%)
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the two - way table given shows the results from the lunch orders from …
15%
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suppose that 15 inches of wire costs 60 cents. at the same rate, how ma…
The problem is incomplete (missing the total cost in cents for which we need to find the length of wire). Please provide the total cost (in cents) to solve the problem.
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to save money for holiday presents, a person deposits $5 in a savings a…
a. 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 b. \(5n\) c. 250
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aldo made $195 for 13 hours of work. at the same rate, how much would h…
\( \$165 \)
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high school students from grades 9–10 and 11–12 were asked to choose th…
The second table from the left (the table with Grades 9 - 10 Rap:16%, Rock:12%, Country:22%; Grades 11 - 12 Rap:24%, Rock:10%, Country:16%; Totals:40%, 22%, 38% and row totals 50%…
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boris drove 819 miles in 13 hours. at the same rate, how long would it …
7
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a two - way frequency table contains data about the method students use…
Students that are above the age of 15 and travel to school in a bus
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the two - way table given shows the results from a survey of pet owners…
There is a weak, positive association.
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test scores: 80, 96, 98, 82, 95, 94, 93, 84, 85, 83, 80, 94, 81, 97, 86…
### Part (a) | Test scores | Frequency | |-------------|-----------| | 79 to 83 | 6 | | 84 to 88 | 3 | | 89 to 93 | 1 | | 94 to 98 | 5 | ### Part (b) For the histogram: - The bar …
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high school students from grades 9–10 and 11–12 were asked to choose th…
The right - most table (the first table from the right)
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constructing a frequency distribution and a histogram 80 96 98 82 95 94…
For part (a): - 79 to 83: 6 - 84 to 88: 3 - 89 to 93: 1 - 94 to 98: 5
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5,8,11,14,… let’s use a table to write an equation for this sequence. t…
The general formula is \( f(n)=3n + 2 \), and the table can be filled as follows: | Term Number (\( n \)) | Work | Simplified Expression | Term (\( f(n) \)) | |-------------------…
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question 2 (multiple choice worth 2 points) (02.01h mc) students (ages …
High school students who chose watching movie/TV
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34 17 32 37 38 18 35 25 28 21 27 26 31 24 23 15 21 30 (a) complete the …
| Shopping times (in minutes) | Frequency | |-----------------------------|-----------| | 15 to 20 | 3 | | 21 to 26 | 6 | | 27 to 32 | 5 | | 33 to 38 | 4 |
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question 8 communication is the process of understanding and sharing me…
True (the option selected in the image is also True, confirming this)
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question 10 when we give particular meaning to stimuli we are using an …
D. interpretation (assuming the options are labeled A to D with D being interpretation; if the original options had the blue dot on interpretation, the correct option is the one w…
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final exam speech 106 fa2025* started: dec 7 at 9:59pm quiz instruction…
True
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you might need: calculator ifede can use a limited number of spells to …
A. Yes
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a publishing company prints newspapers and magazines. let ( n ) represe…
A. The company can print 800 magazines at most.
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8. why was the location of cuzco ideal for the leaders of the inca empi…
a. Section ### Question 8
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match the sequence to its common difference. 5, 8, 11, 14, ... 886, 855…
- Sequence \(5, 8, 11, 14, \dots\) ↔ Common Difference \(3\) - Sequence \(2, -9, -20, -31, \dots\) ↔ Common Difference \(-11\) - Sequence \(0\) ↔ Common Difference \(0\) - Sequenc…
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4 multiple choice 1 point a cable news show displays the results of a p…
The poll predicts that between 48.1% and 57.9% of voters will select candidate A in the election.
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3 multiple choice 1 point the police chief of a town is trying to deter…
Increasing the sample size
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2 multiple answer 1 point a high school randomly selected 75 of the 200…
The margin of error for the mean grade point average is about 0.092, The margin of error would decrease if the sample size were changed to 125 seniors.
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1 multiple choice 1 point which method is most likely to produce a rand…
A. Selecting 5 club members from a hat containing the names of all members
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5, 8, 11, 14, ... 2, -9, -20, -31, ... 14.2, 17.9, 21.6, 25.3, ... 886,…
All the given sequences are arithmetic sequences because in each sequence, the difference between consecutive terms (common difference) is constant. For example: - \(5, 8, 11, 14,…
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question 20 active perception is the view that people... ○ what you see…
The correct option is the one with "assign meaning to stimuli" (the fourth option in the list: assign meaning to stimuli).
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insert one dash where needed. \this painting is meant to pay tribute to…
Insert the dash as: "This painting is meant to pay tribute to women throughout society—I mean, throughout history," the painter explained.
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mrs. newman’s sorting. 4 cards 6,11,16,21,26,.... 2,5,8,11,14,.... 30,2…
Mrs. Newman grouped the sequences by their type: the first group (top 4 cards) contains arithmetic sequences (with a constant common difference between consecutive terms), and the…
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other ethical initiatives that could further improve the company reputa…
True.
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detached from its original meaning, the peace sign is available for any…
D. "Now officially in the public domain and detached from its original meaning, the peace sign is available for anyone to use—or to sell."
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read the passage from chapter 6 of animal farm. \you have heard then, c…
the hypocrisy of some leaders
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question 12 (multiple choice worth 6 points) (01.06 mc) the box plots b…
B. The upper quartile of Class A is greater than the upper quartile of Class B (assuming the options are labeled as A, B, C, D with B being this option). Wait, the original option…
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the number of bagels sold daily for two bakeries is shown in the follow…
Median, because there are outliers that affect both data sets
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the box plot below displays the average number of apple pies consumed i…
The median will remain unchanged, and the mean will decrease.
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elena walked 12 miles. then she walked 0.25 that distance. how far did …
A) \(12 + 0.25 \cdot 12\), B) \(12(1 + 0.25)\), C) \(12 \cdot 1.25\)
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read the excerpt from chapter 6 of animal farm. \you have heard then, c…
D. Corrupt leaders use propaganda to remain in power.
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final exam speech 106 fa2025* started: dec 7 at 9:59pm quiz instruction…
True
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question 10 of 10 if someone is a \second generation\ immigrant, what d…
A. That their parents were the ones who moved here
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noah thinks the answers to these two questions will be the same. - this…
I disagree with him because the answers are different (first is 605, second is approximately 611.11).
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last week, the price of oranges at the farmer’s market was $1.75 per po…
1.4
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a bakery used 25% more butter this month than last month. if the bakery…
300
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ms. squillace’s sorting. ms. squillace grouped the sequences as shown i…
Ms. Squillace grouped the sequences by their pattern type (arithmetic or geometric). The top 4 - card group and bottom 4 - card group each contain 2 arithmetic sequences (with a c…
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solve the following proportion for x. \\(\\frac{8}{11} = \\frac{x}{5}\\…
\(x\approx3.6\)
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question 50 2 pts the word communication comes from the latin term mean…
False
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solve the following proportion for v. \\(\\frac{v}{4} = \\frac{17}{11}\…
\(v\approx6.2\)
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the price of an item yesterday was $40. today, the price fell to $26. f…
35%
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a group of people were randomly selected and asked how many hours per d…
52.5%
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traveling at an average rate of between 50 and 60 miles per hour for 4 …
A. 256 miles
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solve the following proportion for v. \\(\\frac{11}{17} = \\frac{10}{v}…
\(15.5\)
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the price of an item has risen to $182 today. yesterday it was $140. fi…
30%
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read the passage from animal farm. \you have heard then, comrades,\ he …
The animals do not complain about pigs in power breaking rules.
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sort the sequences into two groups - there is no right or wrong answer …
Group 1 (Arithmetic Sequences): \(40, 43, 46, 49,\dots\); \(6, 11, 16, 21, 26,\dots\); \(30, 26, 22, 18,\dots\); \(2, 5, 8, 11, 14,\dots\) Group 2 (Geometric Sequences): \(8, 16, …
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question 6 (multiple choice worth 0 points) which of the following vari…
B. III only
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the line plot below shows the number of pets owned by 25 people who wer…
Bell - shaped, unimodal, no outlier
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question 4 (multiple choice worth 6 points) (01.05hlc) a doctor was int…
Stem - and - leaf plot
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but time drives faces from field to face? silver years a sign and rocks…
The line: "Soon brisk, soon wither - soon forgotten, In folly ripe, in reason rotten" (the last option in the given choices for the question about the author’s perspective on flee…
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determine the following estimate without using a calculator. then use a…
\( \$23.85 \)
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1. one week carlos bought 3 bags of tabitha tidbits and 4 bags of figar…
One bag of Tabitha Tidbits costs \$7.00 and one bag of Figaro Flakes costs \$5.50.
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determine the following estimate without using a calculator. then use a…
25
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question 3 (multiple choice worth 6 points) (01.06h mc) the following d…
Maximum value
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e results are shown below (in hours). use the data to answer the questi…
4 ### Part (b)
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question 2 (multiple choice worth 6 points) (q10hlc) anya gathered a ra…
Flavor of potato chips
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determine the following estimate without using a calculator. then use a…
40000
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passionate shepherd to his love christopher marlowe come live with me a…
A. The rhyming couplets make the love song musical and charming.
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the salaries, in thousands of dollars, of all individuals employed at a…
30
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determine the following estimate without using a calculator. then use a…
B. The estimate is a little lower than the actual result. The difference is $0.27$.
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e results are shown below (in minutes). use the data to answer the ques…
7 ### Part (b)
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question 5 of 10 what does jihad mean? a. terrorism b. a religious edic…
C. Struggle
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a number cube is rolled three times. an outcome is represented by a str…
For Event A: Probability $\frac{1}{2}$; For Event B: Probability $\frac{1}{4}$; For Event C: Probability $\frac{1}{2}$ (depending on the event, but following the steps above)
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obtain an estimate for the following computation by rounding the number…
A. Reasonable. The estimate seems a little lower compared to the actual answer.
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obtain an estimate for the following computation by rounding the number…
24
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round the number to the nearest hundred - thousandth. 2.21070988 2.2107…
\(2.21071\)
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a coin is tossed three times. an outcome is represented by a string of …
Event A: Probability $\frac{6}{8}=\frac{3}{4}$; Event B: Probability $\frac{4}{8}=\frac{1}{2}$; Event C: Probability $\frac{2}{8}=\frac{1}{4}$ (Note: For the checkboxes, for Event…
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obtain an estimate for the following computation by rounding the number…
D. Reasonable. The estimate seems a little higher compared to the actual answer.
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spectrum \the spectrum lays out every type of light, in order of freque…
C. a range of something arranged in a particular order
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question 6, *3.1.04 hw score: 57.14%, 4 of 7 points o points: 0 of 1 th…
\(1:3\) (or \(\frac{1}{3}\))
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obtain an estimate for the following computation by rounding the number…
890
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pete and his sister, sophie, play the game space mission commander on t…
In \(\boldsymbol{7}\) weeks, Pete and Sophie will each have completed \(\boldsymbol{48}\) missions.
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round to the nearest given place. 1.17929 thousandths
1.179
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ms. green and mr. white took their science classes to the museum. ms. g…
\( 375 \)
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the chances of winning are often written in terms of odds rather than p…
\(1:12\)
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pizzas for a total of $24. he wants to know the price of each topping, …
8
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in gambling, the chances of winning are often written in terms of odds …
(a) \( 0.333 \) (b) \( 0.667 \)
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in gambling, the chances of winning are often written in terms of odds …
\(0.5\) (or \(\frac{1}{2}\))
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in each case, find the probability of an event e having the given odds.…
For part (c), the probability is \(\boxed{\dfrac{1}{2}}\)
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in each case, find the probability of an event e having the given odds.…
\(\frac{9}{23}\)
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in each case, find the probability of an event e having the given odds.…
\(\frac{8}{13}\)
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in each case, find the probability of an event e having the given odds …
\(\frac{19}{27}\)
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in each case, find the probability of an event e having the given odds.…
\(\frac{5}{9}\)
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according to a survey, 37,482,665 people can speak a language other tha…
37483000
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in each case, find the probability of an event e having the given odds.…
\(\frac{5}{12}\)
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find the odds of each of the following events (a) an event e with p(e) …
(a) The odds are \( 5 \) to \( 2 \) (b) The odds are \( 3 \) to \( 2 \)
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according to a survey, 37,482,665 people can speak a language other tha…
37482700
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find the odds of each of the following events. (a) an event e with pr(e…
6 to 1