If four dogs are picked up from the veterinarian and they are returned to their owners at random, what is the probability that at least one owner receives the wrong dog?

Writing the simplest form of a fraction means the numerator and the denominator have no common factors other than 1.a. trueb. false

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .