12) The multiplier z(/2) for a confidence interval isdetermined by: a. the desir
ID: 2915447 • Letter: 1
Question
12) The multiplier z(/2) for a confidence interval isdetermined by:
a. the desired level of confidence and the sample size
b. the desired level of confidence but not he sample size
c. the sample size but not the desired level of confidence @
d. neither the sample size nor the level of confidence
13) a sample of n=168 students was asked, "do you believe inlove at first sight?" the choices (below) show confidenceintervals, in scrambled order for 90%, 95%, 98%, and 99% confidencelevels for the population proportion who would answer yes. whichchoice give the 99% confidence interval?
a. .56 to .68
b. .52 to .72 @
c. .53 to .71
d. .55 to .69
Explanation / Answer
12) The multiplier z(/2) for a confidence interval isdetermined by:
a. the desired level of confidence and the sample size
b. the desired level of confidence but not he sample size
c. the sample size but notthe desired level of confidence @
d. neither the samplesize nor the level of confidence
13) a sample of n=168 students was asked, "do you believe inlove at first sight?" the choices (below) show confidenceintervals, in scrambled order for 90%, 95%, 98%, and 99% confidencelevels for the population proportion who would answer yes. whichchoice give the 99% confidence interval?
a. .56 to .68
b. .52 to .72 @
c. .53 to .71
d. .55 to .69
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