If you buy a lottery ticket in 50 lotteries, in each of which your chance of winning a prize is what is the (approximate) probability that you will win a prize
(a) at least once?
(b) exactly once?
(c) at least twice?
Step 1 of 4:
We have the number of trials n = 50.
The probability of winning a prize is p = .
Let X follows the Poisson distribution with the probability mass function
P(X = x) =
Where = np