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blagie [28]
3 years ago
6

The mean value of land and buildings per acre from a sample of farms is ​$1500​, with a standard deviation of ​$200. the data se

t has a​ bell-shaped distribution. assume the number of farms in the sample is 72. ​(a) use the empirical rule to estimate the number of farms whose land and building values per acre are between ​$1300 and ​$1700. nothing farms ​(round to the nearest whole number as​ needed.) ​(b) if 22 additional farms were​ sampled, about how many of these additional farms would you expect to have land and building values between ​$1300 per acre and ​$1700 per​ acre? nothing farms out of 22 ​(round to the nearest whole number as​ needed.)
Mathematics
1 answer:
MArishka [77]3 years ago
6 0
I need help! someone answer this problem asap
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