In: Statistics and Probability
Assume that a simple random sample has been selected and test the given claim. Use the P-value method for testing hypotheses. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim.
The ages of actresses when they won an acting award is summarized by the statistics n= 85, x= 35.7 years, and s= 11.3 years. Use a 0.01 significance level to test the claim that the mean age of actresses when they win an acting award is 32 years.