A high school student is anxiously waiting to receive mail telling her whether she has been accepted to a certain college. On Sunday, she estimates the conditional probabilities of receiving notification on each day of upcoming week, given that she is accepted and that she is rejected, are as follows: Day P(mail|accepted) P(mail|rejected)
Monday .15 .05
Tuesday .20 .10
Wednesday .25 .10
Thursday .15 .15
Friday .10 .20
A) What is the probability that she receives mail on Monday?
B) What is the conditional probability that she receives mail on Tuesday given that she does not receive mail on Monday?
C) If there is no mail through Wednesday, what is the conditional probability that she will be accepted?
D) What is the conditional probability that she will be accepted if mail comes on Thursday?
E) What is the conditional probability that she will be accepted if no mail arrives that week?