Kizspy | Question: 18
(Choose 1 answer)
At a mobile phone store, suppose that the probability that a phone is of good quality is 80% and the probability that a phone is of poor quality is 20%. A customer gives a 5-star rating to a good phone with a probability of 90%, and to a poor phone with a prob-ability of 30%. Calculate the probability that a phone is good given that it has received a 5-star rating.
Α. 0.923
B. 0.782
C. 0.735
D. 0.527
