Aveterinary technician works 7 1/2 hours a day. he spends 1/2 of the time in the operating room, 1/8 in the recovery area, 1/4 consulting patients, and 1/8 on records. how many hours did he work combined in revery and on records

What kinds of numbers have an odd number of factors?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable