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The Number of Days That Homes Stay on the Market

Question 113

Multiple Choice

The number of days that homes stay on the market before they sell in Seattle is bell-shaped with a mean equal to 8 days. Further, 95 percent of all homes are on the market between 2 and 14 days. Based on this information, what is the standard deviation for the number of days that houses stay on the market in Seattle?


A) 12
B) The number of days that homes stay on the market before they sell in Seattle is bell-shaped with a mean equal to 8 days. Further, 95 percent of all homes are on the market between 2 and 14 days. Based on this information, what is the standard deviation for the number of days that houses stay on the market in Seattle?  A)  12 B)    C)  9 D)  3
C) 9
D) 3

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