Question

Rosco is a manager at the Boars Nest BBQ restaurant. One of the best-selling items is the chicken nachos. The menu specifies that there are 20 ounces of chicken on every nacho. Lately, customers have been complaining that there is not enough chicken on the nachos so Rosco secretly observes the cooks to see how much chicken they are placing on the nachos. He observes 10 nachos prepared for lunch and 12 nachos prepared for dinner and found that they average 19 ounces of chicken per order, with a standard deviation of 3 ounces. He can assume that the amount of meat that is put on the chicken nachos is normally distributed. Rosco establishes the following research question: Does the amount of chicken differ from what is specified on the menu?

What hypotheses is Rosco testing?

		H0:µ ≥ 19 and H1: µ< 19
		H0:µ ≤ 20 and H1: µ > 20
		H0:µ =20 and H1: µ≠ 20
		H0:µ =19 and H1:µ ≠ 19

Answer 1

claim is that amount of chicken is differ from specified on menu.

amount of chicken specified on menu is 20

H0:µ =20

H1: µ≠ 20 (claim)