Math Statistic

A coffee makers states that the mean coffee in a large latte is at least 7 oz. A random sample of 53 lattes has a mean coffee amount of 6.5 oz. with a standard deviation of 0.5 oz. Do you have enough evidence to reject the coffee make'rs claim? Use alpha = 0.03

Part a) What is the null and alternative hypotheses?

What is the HO

What is the Ha

part b) What is/are the critical value(s) z0?

part c) What is the standardized test statistics z?

z = ?

part D) Decide whether to reject or fail to reject the null and why?

Please show all the steps to solve this problem