a. H0 : =190 versus H1 : < 190. b. H0 : = 190versus H1 : > 190. (B). A 95% confi

Question

   a. H0 : =190 versus H1 : < 190.

   b. H0 : = 190versus H1 : > 190.

(B). A 95% confidence interval forthe mean cholesterol level is given as (181, 189).If you use this information to conduct the test in the previousquestion, what is your conclusion?

__a. Reject H0, and themean cholesterol level for recent Asian female immigrants aged21-40 is not different from that for general US women aged21-40.
__b. Not enough evidence to reject H0, and the mean andthe mean cholesterol level for recent Asian female immigrants aged21-40 is indeed different from that for general US women aged21-40.

Explanation / Answer

A = C; you are testing to see if the hypothesis is differentfrom the known value B is a poorly worded question. The CORRECT answer is:Reject Ho. The mean is significantly different for Asianimmigrants and the 95% confidence level. C = the margin will increase, so you will NOT reject Ho. The mean will not be significantly different for Asian immigrantsat the 90% confidence level

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