Question
Refer to the North Valley Real Estate data, which report information on homes sold during the last year. a-1. The mean selling price (in $
Refer to the North Valley Real Estate data, which report information on homes sold during the last year.
a-1. The mean selling price (in $ thousands) of the homes was computed earlier to be $357.0, with a standard deviation of $160.7. Use the normal distribution to estimate the percentage of homes selling for more than $500.000. (Round intermediate calculations and final answer to 2 decimal places.)
Percentage of home.......% a-2. Is price normally distributed?
a-3. If price is normally distributed, how many homes should have a price greater than the mean? (Round your answer to 1 decimal place.)
Number of homes ......... b-1. The mean days on the market is 30 with a standard deviation of 10 days. Use the normal distribution to estimate the number of homes on the market more than 24 days. (Round intermediate calculations 2 decimal places and final answer to nearest whole number.)
Number of homes........ b-2. If days on the market is normally distributed, how many homes should be on the market more than the mean number of days? (Round intermediate calculations 2 decimal places and final answer to nearest whole number.)
Number of homes ........ b-3. Does the normal distribution yield a good approximation of the actual results?
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