Hi tutor , can you help me with the attached problem15,-In a recent survey, 774 of the 1,800 respondents said they preferred C.S.I. (Las
Vegas) over C.S.I., Miami or C.S.I., NY.
Construct a 98% confidence interval for the
proportion of people who preferred C.S.I (Las Vegas).
16,-As part of a study of the earnings of NFL referees, a random sample of 25 members
The mean annual income of the sample was $127,000 with a sample
standard deviation of $5,200.
Construct a 90% confidence interval estimate of the mean
annual income of the entire membership.
This question was answered on: May 23, 2022
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