z = 2.50 and a p-value of (1-9938) .0062 < 05 So there is sufficient evidence to support the alternative hypothesis that the mean price of gasoline in California is greater than the national average of $2.86. O2- 2.50 and a p-value of .9938 .9938>.05 So there is not sufficient evidence to support the alternative hypothesis that the mean amount of money spent on back to school supplies is greater than $606.40.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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Oz= 2.50 and a p-value of (1-.9938)
.0062 < 05
So there is sufficient evidence to support the alternative hypothesis that the mean price of
gasoline in California is greater than the national average of $2.86.
Oz- 2.50 and a p-value of.9938
.9938 05
So there is not sufficient evidence to support the alternative hypothesis that the mean amount
of money spent on back to school supplies is greater than $606.40.
Transcribed Image Text:Oz= 2.50 and a p-value of (1-.9938) .0062 < 05 So there is sufficient evidence to support the alternative hypothesis that the mean price of gasoline in California is greater than the national average of $2.86. Oz- 2.50 and a p-value of.9938 .9938 05 So there is not sufficient evidence to support the alternative hypothesis that the mean amount of money spent on back to school supplies is greater than $606.40.
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