Question

2) a marketing company self-assured to potential customers, half of whom are under 40 years old. 15 percent of potential customers who are under 40 will by the advertised products while 10 percent customers above 40 will buy the product. if the customer buys a product, what is the probability that the Customer is is under 40?
which of the statements are false with reference to above question
a. the event of not buying a product irrespective of age,is exhaustive
b. the events of buying a product and being under 40 are independent
c. probability of not buying a product is 0.125
d. all 4 events as requested mutually exclusive

Answer 1