Multiple Choice
Crownfashions.com wants to estimate the average time that visitors to its website spend browsing the site.In a random sample of 49 visits this week, average browsing time is 13.6 minutes.Assume you know the population standard deviation is 5.2 minutes.Construct a 95% confidence interval estimate of average browsing time for the population of crownfashion.com visitors this week.Report the upper bound for your interval.
A) 11.66
B) 15.05
C) 7.51
D) 23.42
E) 17.67
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Which of the following is a key
Q4: From a population that is normally distributed
Q5: In a random sample of 25 calls
Q6: Chen Inc.wants to estimate the average processing
Q7: A random sample is a sample selected
Q9: The sampling distribution of the sample mean
Q10: In telephone interviews with a random sample
Q11: The purpose of statistical inference is to
Q12: The finite population correction factor (fpc) is
Q13: A finite population correction (fpc) factor increases