a major clothing store compared the sales of a new line and

a major clothing store compared the sales of a new line and of a no longer fashionable line of women\'s sportswear. The store found that 75% of all sales made to credit card users were for purchases of the new line of sportswear, while 30% of all sportswear sales were for the purchase of the outdated fashions. Records indicate that credit cads are used in 80% of all sales. If a customer selects an item from the new line of sportswear, what is the probability that she will use a credit card. please write the full answer.

Solution

a major clothing store compared the sales of a new line and of a no longer fashionable line of women\'s sportswear. The store found that 75% of all sales made to credit card users were for purchases of the new line of sportswear, while 30% of all sportswear sales were for the purchase of the outdated fashions. Records indicate that credit cads are used in 80% of all sales. If a customer selects an item from the new line of sportswear, what is the probability that she will use a credit card. please write the full answer.

A= purchases of the new line of sportswear

B=Use of credit card

P(A/B) =0.75

P(A/B