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A study of 50 American adults was taken and found that the mean number of times...

A study of 50 American adults was taken and found that the mean number of times they went to the movies in the past 6 months was 9.5 with standard deviation 1.6. This study was to performed to determine if this value has changed since 2000 when the mean was 10 every 6 months.

A)What type of hypothesis test should be performed here?

B) State the null hypothesis. and the the alternative hypothesis.

C)Give your p-value.

D)State your conclusion and interpretation.

Math   Statistics-And-Probability   
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