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A sample of 25 Oscar winning actresses had a mean age of 38.7 years and standard deviation 11.2 years when winning an Oscar. Use a

A sample of 25 Oscar winning actresses had a mean age of 38.7 years and standard deviation 11.2 years when winning an Oscar. Use a 0.05 significance level to test the claim that the mean age of actresses when they win Oscars is 43.

a.) state the hypothesis

b.) Find the test statistic and p-value.

c.) State your conclusion.

please mention all the functions you use on a TI-84 calculator

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