The following two-way contingency table gives the breakdown of the population of married or previously married women in a locale according to age at first marriage and number of children: Number of Children Age 0 1-2 3+ Under 20 0.02 0.15 0.07 20-29 0.07 0.37 0.11 30+ 0.10 0.10 0.01 You select a woman at random. What is the probability the woman was 30 or older at her first marriage? (Round your answer to two decimal places, ex 0.32.)
The following two-way contingency table gives the breakdown of the population of married or previously married women in a locale according to age at first marriage and number of children: Number of Children Age 0 1-2 3+ Under 20 0.02 0.15 0.07 20-29 0.07 0.37 0.11 30+ 0.10 0.10 0.01 You select a woman at random. What is the probability the woman was 30 or older at her first marriage? (Round your answer to two decimal places, ex 0.32.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The following two-way
Number of Children | |||
Age | 0 | 1-2 | 3+ |
Under 20 | 0.02 | 0.15 | 0.07 |
20-29 | 0.07 | 0.37 | 0.11 |
30+ | 0.10 | 0.10 | 0.01 |
You select a woman at random. What is the probability the woman was 30 or older at her first marriage? (Round your answer to two decimal places, ex 0.32.)
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