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If car purchase and weather on test drive were independent events, what would be the expected number of the combination of "Purchase NOT Made" and "Cloudy?"

If car purchase and weather on test drive were independent events, what would be the expected number of the combination of "Purchase NOT Made" and "Cloudy?"

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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If car purchase and weather on test drive were independent events, what would be the expected number of the combination of "Purchase NOT Made" and "Cloudy?" O1 O 2 3. 4
Transcribed Image Text:If car purchase and weather on test drive were independent events, what would be the expected number of the combination of "Purchase NOT Made" and "Cloudy?" O1 O 2 3. 4
A car dealer suspects that the weather of the day of the test drive has an effect on the purchasing behavior. The car dealer recorded the observations in a cross-tab. Sunny Cloudy Rainy Total Purchase Made 6. 4 Purchase NOT Made 4 6. Total Using a Chi-squared test, test the null hypothesis that weather and purchasing behavior are independent against the alternative that they are dependent.
Transcribed Image Text:A car dealer suspects that the weather of the day of the test drive has an effect on the purchasing behavior. The car dealer recorded the observations in a cross-tab. Sunny Cloudy Rainy Total Purchase Made 6. 4 Purchase NOT Made 4 6. Total Using a Chi-squared test, test the null hypothesis that weather and purchasing behavior are independent against the alternative that they are dependent.
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