The Securities and Exchange Commission has determined that the number of companies listed on the NYSE declaring bankruptcy is approximately a Poisson distribution with a mean of 2.6 per month. Find the probability that no more than one bankruptcy occurs next month.
A) .1931
B) .9257
C) .7326
D) .0742
E) .2674

Question

Quizplus · Accepted Answer

P(X = 0 or X = 1) = e^−2.6(2.6)⁰/0! + e^−2.6(2.6)¹/1! (e = 2.71828)

The Securities and Exchange Commission Has Determined That the Number