Find probability that randomly selected bolt can be used

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Reference no: EM13148214

Of the bolts manufactured for a certain application, 90% meet the length specification and can be used immediately, 6% are too long and can be used after being cut, and 4% are too short and must be scrapped.

a. What is the probability that a randomly selected bolt can be used?
b. What is the probability that fewer than 9 out of 10 bolts can be used?
c. What is the probability that exactly 9 out of 10 bolts can be used immediately?

Reference no: EM13148214

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