統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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a monk crossbred plants, which can have purple or white flowers, and ob…
\(0.4088\)
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fill in the blank with an appropriate word, phrase, or symbol(s). proba…
empirical
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a number cube is rolled three times. an outcome is represented by a str…
Event A: Probability \(\frac{1}{4}\) Event B: Probability \(\frac{3}{8}\) Event C: Probability \(\frac{1}{2}\)
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an experimental serum was injected into 500 guinea pigs. initially, 150…
\(0\)
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a number cube is rolled three times. an outcome is represented by a str…
Event A: \(\frac{1}{4}\) Event B: \(\frac{3}{4}\) Event C: \(\frac{7}{8}\)
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read the third stanza of the tide rises, the tide falls. the morning br…
The word gives greater meaning to everything that precedes it.
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read the excerpt from part one of trifles. mrs. hale. id hate to have m…
C. intruding
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chron = \time\ chrom = \color\ meta = \change, beyond\ meter = \measure…
consisting of only one color
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assume that a randomly selected subject is given a bone density test. t…
The probability is \(0.9999\) and the correct graph is the one with the value \(-3.65\) (Option B for the graph part, assuming the graph labeled with \(-3.65\) is the correct regi…
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which choice describes the total amount vs time graph? the amount consu…
The amount consumed over time is constant.
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rearrange the sentence below to remove any wordy sections. do not chang…
Social media encourages over - sharing.
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literary devices authors technique: the literary devices an author uses…
The cool ocean waves lapped at our feet as we watched the golden sun begin to set.
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determine whether the statement below makes sense or does not make sens…
B. The statement does not make sense because the balance will accumulate interest as well, meaning more money will have to be paid back
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a coin is tossed three times. an outcome is represented by a string of …
Event A: Probability is \(\frac{3}{8}\) Event B: Probability is \(\frac{1}{4}\) Event C: Probability is \(\frac{1}{2}\)
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allegory > what is an allegory? allegory - a story, poem, or picture th…
None of the provided options are correct. The allegorical message is that lying leads to a loss of trust.
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what is the probability that a registered voter voted in the election? …
\(0.478\)
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1 find the area of the shaded region. the graph depicts the standard no…
\(0.1736\)
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try again! answer two in a row correctly to continue. rearrange the sen…
Charlie and the Chocolate Factory is inappropriate for young readers because it glorifies unhealthy eating.
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question 3 of 6 what does it mean when the money in your 401(k) is vest…
You can keep the money your employer contributed, even if you leave your job.
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in the data set below, what is the standard deviation? 3 7 6 4 9 5 1 if…
\(2.4\)
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find the probability of exactly three successes in eight trials of a bi…
\(P(3)={}_{8}C_{3}(0.45)^{3}(0.55)^{8 - 3}\approx0.2566\) (rounded to four decimal places)
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here are the ages of 13 people in a coffee shop on a given day: 26, 44,…
51
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a coin is tossed three times. an outcome is represented by a string of …
Event A: \(\frac{1}{2}\) Event B: \(\frac{7}{8}\) Event C: \(\frac{1}{4}\)
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listed below are the numbers of hurricanes that occurred in each year i…
The standard deviation of the sample data is \(7.1\) hurricanes.
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question #5 which of the following stemplots matches the data below? ag…
The fourth stem - and - leaf plot (the one with stem 1: \(889\), stem 2: \(7\), stem 3: \(0012578\), stem 4: \(1578\), stem 5: \(033478\), stem 6: \(11255\))
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question #6 use the scatterplot below to answer the question that follo…
More ticket writers result in more tickets issued.
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question #7 the coaches of a group of debate teams answered a survey ab…
A positive correlation
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the stemplot displays 26 students scores on a 90 - point statistics tes…
The scores on the test are centered around \(66\) and vary from \(43\) to \(85\) (the second option).
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question #8 the following frequency distribution will be used to produc…
74.55
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a school administrator asks each student if they participate in a sport…
\(51.0\%\) (the third option)
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question #10 the following multiple bar graph compares the sat scores f…
University A because the combined score for University A is \(1180\) and the combined score for University B is \(1150\).
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the eye color for students in a statistics class was recorded. the rela…
\(0.27\)
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how many more votes did reading receive than math?
\(6\)
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an arena manager tallies the number of snack items (hot dogs, nachos, a…
13.4%
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a simple random sample of 10 people were asked how many first cousins t…
13
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3. cheri. wait, ali—do you mean you werent in the house at all last nig…
No, this passage does not contain a resolution. The conflict (the sculpture being stolen) is still present as Cheri stops Ali from taking the action (calling the police) that coul…
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the side - by - side stemplot below displays the arm spans, in centimet…
The mean arm span for Class A is much higher than Class B's.
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basketball players heights(inches) a: freshman b: seniors describe the …
seniors are taller than freshmen
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tribution inferences 25 21% like skinny jeans (sample 20 each ) a: boys…
35%
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like skinny jeans (sample 20 each) a: boys b: girls note: 20 samples of…
\(2\times\text{MAD}\)
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which choice describes the total amount vs time graph? the amount consu…
The amount consumed over time is changing.
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the side - by - side stemplot below displays the arm spans, in centimet…
The mean arm span for Class A is much higher than Class B's.
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which choice describes the total amount vs time graph? the amount consu…
The amount consumed over time is changing.
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7 ponder (pŏndar) -verb too often we dont take time to ponder the possi…
7. C. to think about. 8. B. to return to normal life. 9. B. disorder. 10. A. to dare.
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the resting heart rates for a sample of 15 students are recorded in the…
69.9 beats per minute
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vehicles passing over a bridge have two options for paying their bridge…
41.2%
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a statistics student gave a survey to students which asked how many fir…
2.52 first cousins
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ten words in context in the space provided, write the letter of the mea…
1. B. a tragedy 2. A. complete 3. C. usual 4. A. obvious 5. B. to vary 6. C. to keep going
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population growth how is population growth naturally regulated? why? th…
a. Immigration b. Emigration c. Birth, Immigration d. Death, Emigration
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question 3 of 6 what does it mean when the money in your 401(k) is vest…
You can keep the money your employer contributed, even if you leave your job.
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four friends ran a 5k to raise money for their school. the graph shows …
Ruby
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homes connected out of 20 homes town a town b note: 20 samples of 20 ho…
no overlap
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subject verb agreement subject - verb agreement means the subject and p…
Jon was going to the grocery store.
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a data set of a graph has lines that are labeled every 0.1 moles. if th…
0 M to 1.5 M
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the groundhog and its shadow can animals guess the weather? groundhog d…
Some people believe that groundhogs can tell us when winter will end.
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my heart goes out in sympathy to anyone who is making his first appeara…
B. He portrays stage fright as terrifying but temporary.
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the parallel dotplots below display the number of absences for students…
The range for the distribution of the number of absences is larger for class C.
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in a probability experiment, eric flipped a coin 42 times. the coin lan…
C. \(\frac{2}{1}\)
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a student collected data on the size of coffee chosen by customers at a…
31.3%
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the ratio of trumpet players to trombone players in the band is 5:3. wh…
D. For every 5 trumpet players, there are 3 trombone players.
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subject-verb agreement subject - verb agreement means the subject and p…
Chocolate or strawberry is my favorite flavor.
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subject-verb agreement subject-verb agreement means the subject and pre…
Connie is a supermodel.
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in gambling, the chances of winning are often written in terms of odds …
\(3:1\)
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this theme was recently elaborated by jean claude larreche in his new b…
B. expanded
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the chances of winning are often written in terms of odds rather than p…
\(1:3\)
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the choices of winning are also written in terms of odds rather than pr…
\(1:3\)
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an individual stock is selected at random from the portfolio represente…
\(0.5\)
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an individual stock is selected at random from the portfolio represente…
\(0.5\)
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an individual stock is selected at random from the portfolio represente…
0.25
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use the pie chart at the right, which shows the number of workers (in t…
\(0.120\)
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use the pie chart at the right, which shows the number of workers (in t…
\(0.306\)
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use the pie chart at the right which shows the number of workers (in th…
\(0.8\)
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when two light yellow flowers (yw) are crossed, there are four equally …
\(\frac{1}{4}\)
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draw a card from a box filled with numbered cards. cards are returned a…
60%
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17. why is it helpful to set smart goals? a. they avoid setting specifi…
B. They provide a structured way to reach achievable, meaningful goals
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when two light yellow flowers (yw) are crossed, there are four equally …
\(\frac{1}{4}\)
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use the accompanying bar graph and probability table, which shows the h…
A. Yes, because at least one event has a probability less than or equal to \(5\%\)
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question #10 the annual rainfall for 30 cities is shown on the histogra…
14
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the frequency distribution to the right shows the number of voters (in …
A. No. The probability of the event is not close to 0.
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a data set of a graph has lines that are labeled every 0.1 moles. if th…
\(0\space M\) to \(1.5\space M\)
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how do different jobs use data to solve their unique problems? select o…
They look for patterns in large amounts of information to make better choices.
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question #8 the bars in a histogram are connected horizontally. o true …
False # Question 9
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a data set goes from 32 °f to 80 °f. there are 12 lines on the axis of …
Every \(4^{\circ}F\)
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what equation helps us determine the scale on the graph? scale = data r…
scale = \(\frac{\text{Data Range}}{\text{\# of Lines}}\)
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which variable goes on the x - axis? dependent (effect) independent (ca…
independent (cause)
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which variable goes on the y - axis? either variable can go on the y - …
dependent (effect)
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a local county has an unemployment rate of 7.1%. a random sample of 19 …
a) \(0.2578\) b) \(0.8772\) c) \(0.0109\) d) \(0.9891\)
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question #6 the horizontal axis of a histogram must start at zero. ○ tr…
False
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a jar of an unknown amount of red, blue, and yellow marbles sits before…
\(44\%\)
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the blood platelet counts of a group of women have a bell - shaped dist…
a. \(95\) b. \(68\)
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question #4 the annual rainfall for 30 cities is shown on the histogram…
\(15.5\)
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a jar of an unknown amount of red, blue, and yellow marbles sits before…
37%
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question #3 the following histogram represents the ages of employees at…
Cannot be determined
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annette is surveying people in the city about their interest in a new s…
\(288\)
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question #2 the histogram below shows the test scores for mrs. smiths a…
Cannot be determined
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question #1 the following data shows prices of entrée options at a loca…
$9$
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draw a card from a box filled with numbered cards. cards are returned a…
25%
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etymological spelling patterns quick check which fact is true about all…
They relate to air.
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flip a paper cup in the air and see how it lands. what is the probabili…
\(13\%\)
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listed below are the numbers of hurricanes that occurred in each year i…
\(18\)