please help me. this is my last question! please anwer them both. numbers given
ID: 3232431 • Letter: P
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please help me. this is my last question! please anwer them both. numbers given if you cant see them very well:
3) ... sleeps 7.02 hours a night with standar deviation of 1.2 hours... 9 sfsu students was taken and the mean slepts was 5.9 hours...)
4) ... 80 percent of his 1000000.... the local surveyed 100customets...)
3) Do SPSU students seep for a length of time than the rest ofthe mation? statistics show different a typical coege student sleeps hours a nght with a standard 9 hours, Perform a test mber hours than the rest of the s evidence that SFSU students sleep for a different nu nation. Perform a hypothesis test. Follow all the steps on the previous esamt The CEo ura large electric utility claims that B0 percent of his 1,000M00 customers wre very the local newspaper surveyed 100 customers. To test this daim, satisfled with the service they receive ng simple random sampling What are the null and alternative hypotheses? 2) The p-value for her test was p 0.0314. you were testing a nce level of what would be your oondusion' significa bj if you were testing at a gnificance level of001 what would be your condusion? siExplanation / Answer
3.
Using minitab;
One-Sample T
One-Sample T
Test of = 0 vs 0
N Mean StDev SE Mean 95% CI T P
9 5.900 1.200 0.400 (4.978, 6.822) 14.75 0.000
P-value < 0.05 we reject null hypothesis.
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