Question 867168
P(x = 35) = poissonpdf(40,35) = .0485
For singular Probability: formula {{{P(x, k = average)=(e^(-k))(k^x)/x!)}}} works well
Shown here is the TI syntax to use with a TI Calculator
Answer shown was found Using stattrek.com Calculator
could also use an Excel formula
Only mention alternatives as cumulative probabilities can get complicated by hand