Answer the following questions with a solution. 7. What is the 30th percentile of the following set of data: 12, 25, 18, 17, 20?

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Q: 2B. (a) An exponcntial distribution has probability density function x20. Show that the mean of the…

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Q: 1. Find the value of za/2 given a 92% degree of confidence 2. Find p and ĝ if n = 75 and X = 20

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Q: 33 37 69 85 102 112 33 38 70 86 104 112 24 35 41 70 101 105 117 28 36 42 54 75 101 105 119 30 36 49…

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Q: d solutions to one decimal place, if necessary. 45 35 16 15 27 23 43 23 22 44 15 15 30 15 le Rank of…

A: 1 15 2 15 3 15 4 15 5 16 6 22 7 23 8 23 9 27 10 30 11 25 12 43 13 44 14 45

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Q: For a confidence level of 90% with a sample size of 28, find the critical t value.

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Q: (Problem for Questions 15 17). Research has shown that attitudes about immigrants peers predicts…

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Q: 24. Show that the mean x of a random sample of size n from the distribution: 1 x/0 f (x, 0) = 6 °,0…

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