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Category > Statistics Posted 31 May 2017 My Price 7.00

. Determine the sampling distribution of X, calcu- late E1X2 , and compare to m

A particular brand of dishwasher soap is sold in three sizes: 25 oz, 40 oz, and 65 oz. Twenty percent of all purchasers select a 25-oz box, 50% select a 40-oz box, and the remaining 30% choose a 65-oz box. Let X1 and X2 denote the package sizes selected by two independently selected purchasers.

a. Determine the sampling distribution of X, calcu- late E1X2 , and compare to m.

b. Determine the sampling distribution of the sample variance S2, calculate E(S2), and compare to s2.

2. There are two traf c lights on the way to work. Let X1 be the number of lights that are red, requiring a stop, and suppose that the distribution of X1 is as follows:

Answers

Alpha Geek
(8)
Status NEW Posted 31 May 2017 07:05 AM My Price 7.00

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file 1496215077-Answer.docx preview (70 words )
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