Question

A certain vending machine has 2 types of sodas, brand A and brand B. A survey using 100 consumers found that 80 drink the brand A, 65 drink the brand B, and 15 drink neither brands. Assuming that the survey reflects the actual consumer's preference, what is the probability that a consumer selected at random: 2. drinks at least one of two brands? (a) drinks both papers? (b)

Answer 1

(a) Number of cassumers drinks at least one of two brands =100-15 =85 = probability that a comumer drinks at least one brand =0.85 100 - b) Number of consumen drinks both brands = 80+65-85 drinky .. Probability that both brands = a consumer = 0.6 - Thumbs up