Mathematics, 22.04.2020 03:11, dragongacha777
State police believe that 70% of the drivers traveling on a major interstate highway exceed the speed limit. They plan to set up a radar trap and check the speeds of 80 cars. Taking a random sample of eighty cars is considered sufficiently large for the distribution of the sample proportion to be normally distributed. Would a random sample of 50 cars have been large enough and why?
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State police believe that 70% of the drivers traveling on a major interstate highway exceed the spee...
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