A random sample of two people are selected from a group consisting of 1 boy and...

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Question

A random sample of two people are selected from a group consisting of 1 boy and 4 girls. Let X be the number of boys selected. Find the standard deviation of X

(a) 0.4899 (b) .1277 (c) .1875 (d) .6000 (e) .8944

Answer 1

Answer #1

Option (a) : 0.4899

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Answer 2

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