Question

15) The number of traffic accidents that occur on a particular stretch of road during a month follows a Poisson distribution with a mean of 8.5. Find the probability that exactly four accidents will occur on this stretch of road each of the next two months.

A) 0.044255                            B) 0.088510                            C) 0.001958                            D) 0.000144

27) A machine is set to pump cleanser into a process at the rate of 10 gallons per minute. Upon inspection, it is learned that the machine actually pumps cleanser at a rate described by the uniform distribution over the interval 9.5 to 12.5 gallons per minute. What is the probability that at the time the machine is checked it is pumping more than 11.0 gallons per minute?

A) .667                                     B) .50                                       C) .7692                                  D) .25

No Need to post solution.. Just Options

Answer 1