U S airlines average about 4 5 fatalities per month (Statistical Abstract of the United States 2012) Assume the probability distribution for x, the number of fatalities per month, can be approximated by a Poisson probability distribution a What is the probability that no fatalities will occur during any given month b What is the probability that one fatality will occur during a month c Find E(x) and the standard deviation of x

Question: U.S. airlines average about 4.5 fatalities per month (Statistical Abstract of the United States: 2012). Assume the probability distribution for x, the number of fatalities

U.S. airlines average about 4.5 fatalities per month (Statistical Abstract of the United States: 2012). Assume the probability for x, the number of fatalities per month, can be approximated by a Poisson probability What is the probability that no fatalities will occur during any given month?
b. What is the probability that one fatality will occur during a month?
c. Find E(x) and the standard deviation of x.

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