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In testing a certain kind of truck tire over a rugged terrain it is found that 25% of the trucks fail to complete the test run without a blowout. Of the next 15 trucks tested, find the probability that

a. none will fail the test?

b. at least 2 will fail the test?

c. more than 2 will fail the test?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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