[Solution Library] 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.
Question: 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 15trucks, find the probability that
- none will fail the test?
- at least 2 will fail the test?
- more than 2will fail the test?
Deliverable: Word Document 
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[Solution] Let 1 2 -1 1 -1 0 A = 1 1 1 B = 1 1 1 1 -1 0 1 2 -1
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