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Name: Problem 1: There are 15 rolls of film in a box and 3 are defective. Two rolls are to be selected, one after the other What is the probability of selecting a detective roll followed by another defective roll? Problem 2:A tire manufacturer advertises that the average life of our new all-season radial tire is 50,000 miles (meaning the probability is 50% for a tire to last more than 50, 000 miles, and 50 chance to last less than 50,000 miles) . An immediate adjustment will be made on any tire that does not last 50, 000 miles.You purchased four of these tires. What is the probability that all four tires will last more than 50,000 miles? Problem 3 Dr. B. A. Yes has been teaching basic statistics for many years. He knows that 80 percent of the students will complete the assigned problems. He has also determined that among those who do complete the assignments, 90 percent wil1 pass the course. Among those students who do not complete their assignments, 50 percent will pass. Mike Fishbone took statistics last semester from Dr. Yes and received a passing grade. What is the probability he completed the assignments?
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