50
(Choose 1 answer)
(See picture)
A. (ii)
B. (i)
C. None of the other choices is correct
D. (iii)
A soft drink company has a filling machine that can be set at different levels to produce different average fill amounts. The company sets the machine to provide a mean fill of 12 ounces. The standard deviation on the machine is known to be 0.20 ounces. Assuming that the hypothesis test is to be performed using a random sample of n = 100 cans, which of the following would be the correct formulation of the null and alternative?
(1) Η: μ = 12 ounces
Η₁ : μ = 12 ounces
(ii) Ηο : μ = 12 ounces
H₁ : μ = 12 ounces
(iii) Ho: X≤ 12 ounces H₁: х 12 ounces