102. A particular airline has 10 a.m. ights from Chicago to New York, Atlanta, and Los Angeles. Let A denote the event that the New York ight is full and de ne events B and C analogously for the other two ights. Suppose P(A)  .6, P(B)  .5, P(C) 

.4 and the three events are independent. What is the probability that

a. All three ights are full? That at least one ight is not full?

b. Only the New York ight is full? That exactly one of the three ights is full?