A shipment of 80 burglar alarms contains 4 that are defective. If 3 from the shipment are

Question:

A shipment of 80 burglar alarms contains 4 that are defective. If 3 from the shipment are randomly selected and shipped to a customer, find the probability that the customer will get exactly one bad unit using
(a) The formula of the hypergeometric
(b) The binomial as an approximation.
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...