A hypothesis test is to be performed. State the null and alternative hypotheses. Last month the mean waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long. Select one:
A hypothesis test is to be performed. State the null and alternative hypotheses. Last month the mean waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long. Select one:
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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A hypothesis test is to be performed. State the null and alternative hypotheses.
Last month themean waiting time at a bank was 8.4 minutes. The manager has installed a new computer system and claims that people will no longer have to wait as long.
Last month the
Select one:
A.
Null hypothesis: mean waiting time = 8.4 minutes
Alternative hypothesis: mean waiting time ≤ 8.4 minutes
Alternative hypothesis: mean waiting time ≤ 8.4 minutes
B.
Null hypothesis: mean waiting time = 8.4 minutes
Alternative hypothesis: mean waiting time < 8.4 minutes
Alternative hypothesis: mean waiting time < 8.4 minutes
C.
Null hypothesis: mean waiting time > 8.4 minutes
Alternative hypothesis: mean waiting time < 8.4 minutes
Alternative hypothesis: mean waiting time < 8.4 minutes
D.
Null hypothesis: mean waiting time < 8.4 minutes
Alternative hypothesis: mean waiting time = 8.4 minutes
Alternative hypothesis: mean waiting time = 8.4 minutes
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