Question

1. The probability of event A is 60%, the probability of event B is 40%, and the probability of either A or B is 65%.

What is the probability of events A and B simutaneously?

2. 50% of items are Type A, 30% are Type B, and 20% are Type C. each type is broken up into V1 and V2. Type A is 80% V1, Type B is 60% V1, and Type C is 30% V1.

If a randomly selected type is V1, what is the probability it came from Type A?

Please show your work, thank you so much ! (;

Answer 1

so if a randomly selected type is v1 then there is 62.5 % probabilty that it came from type A.