The mean value of land and buildings per acre from a sample of farms is $1300, with a standard deviation of $200. the data set has a bell-shaped distribution. assume the number of farms in the sample is 74. use the empirical rule to estimate the number of farms whose land and building values per acre are between $1100 and $1500.

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet