A charity claims that a proportion of 0.75 of donations go to communities where the average family income is less than $20,000 a year. A watchdog group checks a random sample of 60 communities that received funds from the charity to determine if the proportion is different than 0.75 at a significance level of 0.05. Use Sheet 8 of the Excel file to calculate îp, the z-score, and the p-value. p = Ex: 1.234 z = p = Since the p-value is Pick ian the significance level 0.05, the null hypothesis Pick greater vevideless income of less than $20,000 a year is different from 0.75. Pick that the proportion of donations to communities with an average family
A charity claims that a proportion of 0.75 of donations go to communities where the average family income is less than $20,000 a year. A watchdog group checks a random sample of 60 communities that received funds from the charity to determine if the proportion is different than 0.75 at a significance level of 0.05. Use Sheet 8 of the Excel file to calculate îp, the z-score, and the p-value. p = Ex: 1.234 z = p = Since the p-value is Pick ian the significance level 0.05, the null hypothesis Pick greater vevideless income of less than $20,000 a year is different from 0.75. Pick that the proportion of donations to communities with an average family
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please answer all parts in the same format as pictured below. I've included the last 2 questions below in case you cannot see them in the picture:
-Null hypothesis fails to be rejected OR Is rejected
-Sufficient evidence exists OR Insufficient evidence exists
Thank you
Transcribed Image Text:4:41 O 6
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Transcribed Image Text:A charity claims that a proportion of 0.75 of donations go to communities where the average family income
is less than $20,000 a year. A watchdog group checks a random sample of 60 communities that received
funds from the charity to determine if the proportion is different than 0.75 at a significance level of 0.05.
Use Sheet 8 of the Excel file to calculate p, the z-score, and the p-value.
p = Ex: 1.234
p =
Since the p-value is Pick
ian the significance level 0.05, the null hypothesis Pick
greater
evideless
income of less than $20,000 a year is different from 0.75.
Pick
that the proportion of donations to communities with an average family
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