Suppose that the weight (X) in pounds, of a 40-year-old man is a normal random variable with mean μ = 161 pounds and standard deviation σ = 20 pounds. Ifone selected 100 men from thispopulation what is the probability that the mean of this sample is higher than 180 pounds?

What is x3+3x2−16x−48 divided by x−1?

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

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