1.The mean systolic blood pressure for the population of school teachers in Florida is 156 mm. This is observed in the end of the school year.

The mean blood pressure for a sample of school teachers in Orlando is 161 mm. Assume that the Orlando results are based on a sample of 50 teachers. The population standard deviation is known to be 15 mm.

a)Formulate the null and alternative hypotheses that can be used to determine whether the sample data support the claim that teachers in Orlando have a higher blood pressure than the teachers in the State of Florida.Use a 0.06 significance level.

b)What is the Rejection rule?

c)What is the p-value

d)What is your conclusion?

e)Is the claim valid?