The following table (see Exercise 5.58) shows the percentages of residents in a large community when classified

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The following table (see Exercise 5.58) shows the percentages of residents in a large community when classified according to gender and presence of a particular allergy. For each part below, find the mean and standard deviation of the specified random variable.
The following table (see Exercise 5.58) shows the percentages of

(a) X stands for the number of persons having the allergy in a random sample of 40 persons.
(b) Y stands for the number of males having the allergy in a random sample of 40 males.
(c) Z stands for the number of females not having the allergy in a random sample of 40 females.

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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