The US Census Bureau Would Like to Estimate the Average Square

Multiple Choice

The U.S. Census Bureau would like to estimate the average square footage of a new single-family home with a 95% confidence interval and a margin of error within plus or minus 200 square feet. Assuming the standard deviation for the square footage of new single-family homes is 850 square feet, the required sample size is ---------.

A) 70
B) 48
C) 55
D) 41