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Unmarried Women According to survey records, 75.4% of
Chapter 5, Problem 22RE(choose chapter or problem)
Problem 22RE
Unmarried Women According to survey records, 75.4% of women aged 20–24 have never been married. In a random sample of 250 young women aged 20–24, find the mean, variance, and standard deviation for the number who are or who have been married. (5−3)
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Questions & Answers
QUESTION:
Problem 22RE
Unmarried Women According to survey records, 75.4% of women aged 20–24 have never been married. In a random sample of 250 young women aged 20–24, find the mean, variance, and standard deviation for the number who are or who have been married. (5−3)
Source: www.infoplease.com
ANSWER:
Problem 22RE
Unmarried Women According to survey records, 75.4% of women aged 20–24 have never been married. In a random sample of 250 young women aged 20–24, find the mean, variance, and standard deviation for the number who are or who have been married. (5?3)
Source: www.infoplease.com
Step by step solution
Step 1 of 2
Given,
Let, the numerical probability of failure be the unmarried women aged 20–24,ie;
q = 0.754
The numerical probability of a success be the married women aged 20–24, ie;
p = 1- q = 0.246
The random sample, n = 250