In a survey 46,281 women were asked how many children they had. The results were as follows. Number of children 0 1 2 3 4 5 6 7 8 or more Number of women 12,574 7,493 11.282 7,124 3,778 1,811 924 523 772 a) P(sampled woman has exactly 4 children)? _______________________ b) P(Sampled woman has more than 3 children)? ___________________ c) Assume this is a simple random sample of U.S. women. Use the Empirical Method to estimate  the probability that a woman has more than seven children

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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) In a survey 46,281 women were asked how many children they had. The results were as follows.

Number of children 0 1 2 3 4 5 6 7 8 or more
Number of women 12,574 7,493 11.282 7,124 3,778 1,811 924 523 772
a) P(sampled woman has exactly 4 children)? _______________________
b) P(Sampled woman has more than 3 children)? ___________________
c) Assume this is a simple random sample of U.S. women. Use the Empirical Method to estimate 
the probability that a woman has more than seven children.
d) Using a cutoff of 0.05, is it unusual for a woman in the survey to have no children?_____________
(Hint: Find the probability the woman has no children.)

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