Answered: Find the mean and standard deviation…

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 9ECP: A random number generator selects two integers from 1 to 30. What is the probability that both...

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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.

attached is the data table.

dont copy from google

The mean is --------girl(s). (Round to one decimal place as needed.)

The standard deviation is ------girl(s). (Round to one decimal place as needed.)

bes results from groups of 8 births from 8 different sets of parents. The rando
n for the number of girls in 8 births.
Table of numbers of girls and probabilities
Number of
Girls x
P(x)
0.005
1
0.027
0.111
3.
0.229
4
0.264
0.225
6.
0.105
0.029
8.
0.005

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