If the plastic weighs 0.82 ounces per square foot and there are 16 ounces per round, how many pounds does the pool weigh when empty? Round to the nearest tenth.

If a fair 6 sided cube is rolled 60 times, theoretically how many times should you expect to roll a 4 or a 5?

Which statement best describes the polynomial

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?