Marketers believe that 69.6 % of adults in the U.S. own a cell phone. A cell phone manufacturer believes a larger proportion have a cell phone. 31 adults living in the U.S. are surveyed, of which, 6 report that they have a cell phone. Using a 0.05 level of significance test the claim. The correct hypotheses would be: Ho:p ≤ 0.696 HA P 0.696 (claim) O Ho:p> 0.696 HA:P < 0.696 (claim) O Ho: p= 0.696 HA P 0.696 (claim) Since the level of significance is 0.05 the critical value is 1.645 3 places) The test statistic is: The p-value is: (round (round to 3 places)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Marketers believe that 69.6 % of adults in the U.S. own a cell phone. A cell phone manufacturer believes a
larger proportion have a cell phone. 31 adults living in the U.S. are surveyed, of which, 6 report that they
have a cell phone. Using a 0.05 level of significance test the claim.
The correct hypotheses would be:
Ho:p ≤ 0.696
HA P 0.696 (claim)
O Ho:p> 0.696
HA:P < 0.696 (claim)
O Ho: p= 0.696
HA:P 0.696 (claim)
Since the level of significance is 0.05 the critical value is 1.645
3 places)
The test statistic is:
The p-value is:
(round
(round to 3 places)
Transcribed Image Text:Marketers believe that 69.6 % of adults in the U.S. own a cell phone. A cell phone manufacturer believes a larger proportion have a cell phone. 31 adults living in the U.S. are surveyed, of which, 6 report that they have a cell phone. Using a 0.05 level of significance test the claim. The correct hypotheses would be: Ho:p ≤ 0.696 HA P 0.696 (claim) O Ho:p> 0.696 HA:P < 0.696 (claim) O Ho: p= 0.696 HA:P 0.696 (claim) Since the level of significance is 0.05 the critical value is 1.645 3 places) The test statistic is: The p-value is: (round (round to 3 places)
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