In an article appearing inToday's Healtha writer states that the average number of calories in a serving of popcorn is 76.To determine if the average number of calories in a serving of popcorn is different from 76, a nutritionist selected a random sample of 20 servings of popcorn and computed the sample mean number of calories per serving to be 80with a sample standard deviation of 6.3.

State the null and alternative hypotheses.

• A.H0:76, H1:< 76
• B.H0:76, H1:> 76
• C.H0:= 76, H1: 76
• D.H0:= 80, H1:> 80