In the Small Town,a Certain Type of Blu-Ray Player Is

Multiple Choice

In the small town,a certain type of Blu-ray player is sold at just two stores.33% of the sales are from store A and 67% of the sales are from store B.2.8% of the Blu-ray players sold at store A are defective while 3.7% of the Blu-ray players sold at store B are defective.If Kate receives one of these Blu-ray players as a gift and finds that it is defective,what is the probability that it came from store A?

A) 0.373
B) 0.028
C) 0.33
D) 0.728
E) 0.272