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The tensile strength of plastic film used to make candy wraps is an important quality characteristic. It is known that the strength is normally distributed with mean m = 52 lb/in2 and standard deviation s = 3 lb/in2, denoted x N(52, 32). One customer requires the film to have a strength of at least 50 lb/in2. Calculate the probability that rolls of this film will exceed this customer specification.
Sagot :
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