# Question

Refer to Exercise 7.57. Find the probability that the project will take more than 60 days to complete.

## Answer to relevant Questions

The mean and variance of the time to complete the project in Exercise 7.58 was 145 minutes and 31 minutes2. What is the probability that it will take less than 2.5 hours to overhaul the machine?The production of a complex chemical needed for anticancer drugs is exponentially distributed with λ = 6 kilograms per hour. What is the probability that the production process requires more than 15 minutes to produce the ...The manager of a supermarket tracked the amount of time needed for customers to be served by the cashier. After checking with his statistics professor, he concluded that the checkout times are exponentially distributed with ...Use the χ2 table (Table 5) to find the following values of χ2.a. χ2.90, 26b. χ2.01, 30c. χ2.10, 1d. χ2.99,80Use a computer to find the following probabilities.a. P(F7, 20 > 2.5)b. P(F18, 63 > 1.4)c. P(F34, 62 > 1.8)d. P(F200, 400 > 1.1)Post your question

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