Question
1)In a survey of 3324adults,1467say they have started paying bills online in the last year.Construct a 99% confidence interval for the population proportion. Interpret the
1)In a survey of 3324adults,1467say they have started paying bills online in the last year.Construct a 99% confidence interval for the population proportion. Interpret the results.
A 99% confidence interval for the population proportion is ( , )?
CHOOSE THE BEST OPTION
A)With 99% confidence, it can be said that the sample proportion of adults who say they have started paying bills online in the last year is between the endpoints of the given confidence interval.
B)The endpoints of the given confidence interval show that adults pay bills online 99% of the time
C)With 99% confidence, it can be said that the population proportion of adults who say they have started paying bills online in the last year is between the endpoints of the given confidence interval.
2)Construct the confidence interval for the population mean mu
c=0.98, x overbar=5.5, sigma=0.7, and n=52
A 98% confidence interval for mu is ( , )?
.
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