Multiple Choice
A restaurant that bills its house account monthly is concerned that the average monthly bill exceeds $200 per account. A random sample of twelve accounts is selected, resulting in a sample mean of
$220 and a standard deviation of $12. The t-test is to be conducted at the 5% level of significance.
A) The null hypothesis is μ ≤ 200. The alternate hypothesis is μ ≤ 200.
B) The null hypothesis is μ ≤ 200. The alternate hypothesis is μ > 200.
C) The null hypothesis is μ = 200. The alternate hypothesis is μ ≠ 200.
D) The null hypothesis is μ > 200. The alternate hypothesis is μ ≤ 200
E) The null hypothesis is μ ≤ 220. The alternate hypothesis is μ > 220.
Correct Answer:
Verified
Correct Answer:
Verified
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