# probability.............

May 3rd, 2015
KateS
Category:
Mathematics
Price: \$5 USD

Question description

A machine is producing a large

number of bolts automatically. In a box of these

bolts, 95% are within the allowable tolerance values

with respect to diameter, the remainder being

outside of the diameter tolerance values. Seven

bolts are drawn at random from the box. Determine

the probabilities that (a) two and (b) more than two

of the seven bolts are outside of the diameter

tolerance values.

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