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Georgia Military College Confidence Interval Question Exam Practice

Georgia Military College Confidence Interval Question Exam Practice.

Question Description

a) In a survey of 674 U.S. males ages 18 to 64, 396 say they have gone to the dentist in the past year. Find a 95% confidence interval of the population proportion of males in this age range that have gone to the dentist in the past year.

b) In a survey of 420 U.S. females ages 18 to 64, 279 say they have gone to the dentist in the past year. Find a 95% confidence interval of the population proportion of females in this age range that have gone to the dentist in the past year.

c) Compare the two confidence intervals. From them, can we say with 95% confidence, that females go to the dentist more than males?

Georgia Military College Confidence Interval Question Exam Practice

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