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Author Question: Use a 0.05 significance level and conduct a full hypothesis test. List the null and alternative ... (Read 151 times)

Alygatorr01285

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Use a 0.05 significance level and conduct a full hypothesis test. List the null and alternative hypotheses, the z-score, the P-value, and whether to reject or not reject the null hypothesis. Round z-scores to the nearest tenth.

A customer claims that the mean amount of time customers spend waiting in line is  3.7 minutes.  The  manager of the store runs a test and finds a mean waiting time for a random sample of 120 customers of 3.6 minutes with a standard deviation of 1.1 minutes. Test the manager's claim that the mean customer waiting time is less than 3.7 minutes.


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Marked as best answer by Alygatorr01285 on Jan 18, 2020

Loise Hard

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Alygatorr01285

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Reply 2 on: Jan 18, 2020
Excellent


Laurenleakan

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Reply 3 on: Yesterday
Gracias!

 

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