Question

E() 2 379 QUESTION 12 The number of power outages at a nuclear power plant has a poisson distribution with a mean of 3 outages per ear What is the probability that on a given year, only 2 power outages will occur? 1 0 7760 2 0 2240 3 0 1080 4 0 4232 5 0 5768 QUESTION 13 A study on the delivery time of mail between two locations has found that the data follows a normal d?stribution The study has also found that on average, mail takes five days to arrive with a standard deviation of 0 75 days Using this information, what is the probability that the mail will take between 5 and 6 days to arrive? Let x be the studey on the dehivery tine I 00918

Answer 1