A researcher wants to study the relationship between salary and gender. She randomly selects 392 individuals and determines their salary and gender. Can the researcher conclude that salary and gender are dependent? Income Male Female Total Below $25,000$25,000 48 45 93 $25,000$25,000-$50,000$50,000 38 36 74 $50,000$50,000-$75,000$75,000 46 40 86 Above $75,000$75,000 68 71 139 Total 200 192 392 Find the expected value for the number of men with an income above $75,000
A researcher wants to study the relationship between salary and gender. She randomly selects 392 individuals and determines their salary and gender. Can the researcher conclude that salary and gender are dependent? Income Male Female Total Below $25,000$25,000 48 45 93 $25,000$25,000-$50,000$50,000 38 36 74 $50,000$50,000-$75,000$75,000 46 40 86 Above $75,000$75,000 68 71 139 Total 200 192 392 Find the expected value for the number of men with an income above $75,000
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A researcher wants to study the relationship between salary and gender. She randomly selects 392 individuals and determines their salary and gender. Can the researcher conclude that salary and gender are dependent?
Income | Male | Female | Total |
---|---|---|---|
Below $25,000$25,000 | 48 | 45 | 93 |
$25,000$25,000-$50,000$50,000 | 38 | 36 | 74 |
$50,000$50,000-$75,000$75,000 | 46 | 40 | 86 |
Above $75,000$75,000 | 68 | 71 | 139 |
Total | 200 | 192 | 392 |
Find the expected value for the number of men with an income above $75,000. Round your answer to one decimal place.
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