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In testing a certain kind of truck tire over a rugged terrain, it is found that 75% of the trucks complete the test with

Posted: Wed May 11, 2022 6:55 pm
by answerhappygod
In testing a certain kind of truck tire over a rugged terrain,
it is found that 75% of the trucks complete the test with
a flat tire. Of the next 30 trucks tested, (a) how many of them are
expected to have flat tires? (b) According to
Chebyshev's theorem, what are the upper and lower bounds of the
interval where at least 3/4 of the 30 trucks have
a flat tire?