Determine certain plant are defective
Two percent of hair dryers produced in a certain plant are defective. Estimate the probability that of 10,000 randomly selected hair dryers, exactly 225 are defective.
a) .0034
b) .0057
c) .0065
d) .0051
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The probability is .15 that the bottle of certain soda is under-filled, independent of amount of soda in other bottles. If machine one fills 100 bottles and machine two fills 80 bottles of this soda per hour
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