At the time she was hired as a server at the Grumney family restaurant, Beth was told "You can average $80 a day in tips". Assume the std deviation...

At the time she was hired as a server at the Grumney family restaurant, Beth was told "You can average $80 a day in tips". Assume the std deviation of the population is $3.24. At the end of her first month of employment at the restaurant, the mean daily amount of her tips was $84.85. At the 0.01 significance level, can Beth conclude she is earning an average of more than $80 in tips?For this problem, state the alternate hypothesis