For customers purchasing a refrigerator at a certain appliance store, let A be the event that the refrigerator was manufactured in the U. S., B be the event that the refrigerator had an icemaker, and C be the event that the customer purchased an extended warranty. Relevant probabilities are below. Required:
a. Construct a tree diagram consisting of first-, second-, andthird-generation branches and place an event label and appropriateprobability next to each branch.
b. Compute P(A â© B â© C).
c. Compute P(B â©C).
d. Compute P(C).