Number of Girls x P(x) 0.004 1 0.034 2 0.117 3 0.213 4 0.263 0.226 0.105

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.CR: Chapter Review
Problem 37E: Find the positive geometric mean between 4 and 64.
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Question 6 

Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls
among 8 children. Find the mean and standard deviation for the number of girls in 8 births.
Transcribed Image Text:Refer to the accompanying table, which describes results from groups of 8 births from 8 different sets of parents. The random variable x represents the number of girls among 8 children. Find the mean and standard deviation for the number of girls in 8 births.
Number of
Girls x
P(x)
0.004
0.034
2
0.117
3
0.213
0.263
4
0.226
0.105
7
0.033
8
0.005
Transcribed Image Text:Number of Girls x P(x) 0.004 0.034 2 0.117 3 0.213 0.263 4 0.226 0.105 7 0.033 8 0.005
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