Question

The mean value of land and buildings per acre from a sample of farms is

​$1200 with a standard deviation of $100. The data set has a​ bell-shaped distribution. Assume the number of farms in the sample is 73

​(a) Use the empirical rule to estimate the number of farms whose land and building values per acre are between ​$1100 and $1300

b) If 26 additional farms were​ sampled, about how many of these additional farms would you expect to have land and building values between

​$1100 per acre and $1300 per​ acre?

Answer 1