Statistics released by the national highway safety

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Reference no: EM13617100

Statistics released by the National Highway Safety Administration show that on an average weekend night in urban areas 1 out of every 10 drivers is operating under the influence of alcohol. If 400 drivers are randomly checked on a saturday night, use the normal approximation to the binomial to determine the probability that the number of drunk drivers will be:

a) less than 32

b) more than 49

c) more than 35, but less than 47.

Reference no: EM13617100

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