The probability that a certain type of inoculation takes effect is 0 995 Use the Poisson distribution to approximate the probability that at most 2 out of 400 people given the inoculation find that it has not taken effect ...

The probability that a certain type of inoculation takes effect is 0.995. Use the Poisson distribution to

Question:

The probability that a certain type of inoculation takes effect is 0.995. Use the Poisson to approximate the probability that at most 2 out of 400 people given the inoculation find that it has not taken effect.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...