Use a t test to test the claim about the population mean u, Ask an Expert

Statistics

1. Writing a Claim: A taxi cab company claims that the mean travel time between two destinations is about 21 minutes. You work for a bus company and want to reject this claim. How would you write the null and alternative hypotheses

2.test the claim about the population mean u at the given level of significance using the given sample stats.
claim:u>1030;a.05 sample:x=1035,s=23,n=50

3.use a t test to test the claim about the population mean u at the given level of signifiance a using the given sample statistics. For each claim, assume the population is normally distributed
Claim:u>25:a=.05
Sample statistics: x=26.2,s=2.32,n=17

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