Requesting help with dispersion statistics
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12.3_pre_final_prep.docxQuestion 1 (1 point)
8P1
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Six Hatfields and four McCoys are up for 3 construction jobs in Williamson. What is the probability that all 3 jobs go to Hatfields?
Answer in decimal form. Round to 3 decimal places as needed.
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Five Hatfields and three McCoys are up for 3 construction jobs in Williamson. What is the probability that all 3 jobs go to Hatfields?
Answer in decimal form. Round to 3 decimal places as needed.
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Given P(A) = 0.21, P(B) = 0.24, and P(B|A) = 0.24, are A and B independent or dependent?
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Dependent |
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Independent |
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Given P(A) = 0.51, P(B) = 0.79, and P(A or B) = 0.66, are events A and B mutually exclusive?
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Yes, they are mutually exclusive |
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No, they are not mutually exclusive |
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Given P(A) = 0.20, P(B) = 0.27, and P(B|A) = 0.20, are A and B independent or dependent?
Question 6 options:
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Independent |
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Dependent |
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Snoopy Brown is interested in the number of businesses that do not allow dogs in St. Paul, MN. To conduct his study, he randomly selects 100 businesses listed in the St. Paul phone book, calls them and asks their policy. What is the sample of this study?
Question 7 options:
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The 100 businesses called |
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All businesses in St. Paul |
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All businesses in St. Paul that allow dogs |
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Any businesses, of the 100 called, that allow dogs |
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Zaphod Beeblebrox has recently purchased a second-hand ballpoint pen business. In the first month, they purchased the following pens.
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Color |
Count |
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Black |
582 |
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Blue |
651 |
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Red |
404 |
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Green |
106 |
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UltraViolet |
782 |
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Purple |
585 |
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What is the relative frequency of green pens purchased?
Answer in decimal form. Round to 3 decimal places as needed.
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Belinda Hatfield is interested in the occurrence of notches in the ears of wild hogs in the Big Sandy River area of West Virginia. Over the span of 6 weeks, Belinda traps 23 wild hogs and records the number and shape of notches in the ears of wild hogs. What is the population of this study?
Question 9 options:
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Wild hogs in the Big Sandy River area of West Virginia |
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Hog farmers |
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The 23 wild hogs trapped and studied |
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All wild hogs |
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Compute the median of 39, 51, 31, 59, 18, 39
Round to 2 decimal places as needed
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Compute the median of 44, 26, 50, 38, 50, 18
Round to 2 decimal places as needed
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Compute the median of 33, 55, 15, 39, 49.
Round to 2 decimal places as needed.
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What is the range of the following: 63, 67, 50, 10, 55, 18
Round to 2 decimal places as needed.
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What is the range of the following: 11, 23, 51, 24, 67, 43
Round to 2 decimal places as needed.
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What is the range of the following: 17, 20, 43, 11, 18, 69
Round to 2 decimal places as needed.
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