Question: Please provide step by step solutions, thanks!! : A study was done to determine if the average amount of sleep that students get the day

Please provide step by step solutions, thanks!! :

A study was done to determine if the average amount of sleep that students get the day before an exam is less than 6 hours. An SRS of 100 students from a university was taken and a mean of 5.5 hours with a standard deviation of 1.25 hours was computed from the sample.

a.State the null and alternative hypotheses.

b.Calculate the appropriate test statistic and p-value.

c.Based on your findings in (b) at an alpha level of 0.01, what do you conclude? What does this tell you about the average amount of sleep that students get before an exam?

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