Answer: .012
Explanation:
We know that when two events A and B are independent of each other , then the probability of their intersection is given by :-
Given : The probability that a shopper buys shoes is 0.12
The probability that a shopper buys a book is 0.10
Since, both the events are independent , then the probability that a shopper buys shoes and a book is given by :-
Hence, the probability that a shopper buys shoes and a book is .012 .