Question

Use the discrete probability distribution below to find the probability that x equals 5

Answer 1

company has been running a television advertisement for one of its new products. A survey was conducted. Based on its results, it was concluded that an individual buys the product with probability  , if he/she saw the advertisement, and buys with probability  , if he/she did not see it. Twenty-five percent of people saw the advertisement.

a. What is the probability that a randomly selected individual will buy the new product? Answer : .2
b. What is the probability that at least one of randomly selected five individuals will buy the new product?