find the probability that 4 components will fail during the first hour, by first making use of the how to find propability by using Binomial distribution and then by using the Poisson approximation to the binomial distribution.

find the probability that 4 components will fail during the first hour, by first making use of the how to find propability by using Binomial distribution and then by using the Poisson approximation to the binomial distribution.

This is a general question and answer forum. We do not do research. This sounds like a school assignment. If it is, I refer you to your text books or help from your instructor.