2. 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. from 3 to 6 have blowouts b. fewer than 4 have blowouts c. more than 5 have blowouts.
2. 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. from 3 to 6 have blowouts b. fewer than 4 have blowouts c. more than 5 have blowouts.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:2. 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
а.
from 3 to 6 have blowouts
b. fewer than 4 have blowouts
с.
more than 5 have blowouts.
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