Essay
A survey of 40 students at a local college asks, "Where do you buy the majority of your books?" The responses fell into three categories: "at the campus bookstore," "on the Internet," and "other." The results follow. Use Excel to estimate the proportion of the college students who buy their books on the Internet.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: The ability of an interval estimate to
Q14: Computing the necessary sample size for
Q15: The expression used to compute an interval
Q16: From a population that is normally distributed
Q20: The use of the normal probability
Q21: Whenever using the t distribution in interval
Q43: As the sample size increases, the margin
Q47: The z value for a 97.8% confidence
Q59: We can reduce the margin of error
Q89: The t value with a 95% confidence