MA272 Final Exam, Semester 2, 2019
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The time to failure of the cathode ray tube has the following probability density function
is a constant known as failure rate. Find the probability that the tube lives at least 100
An electronic product contains 40 integrated circuits. The probability that any integrated circuit is
defective is 0.01, and the integrated circuits are independent. The product operates only if there are
no defective integrated circuits. What is the probability that the product operates?