Find probability that at least seventy percent prefers coke
Suppose that 76% of Americans prefer Coke to Pepsi. A sample of 80 was taken. What is the probability that at least seventy percent of the sample prefers Coke to Pepsi? A. 0.1038 B. 0.1423 C. 0.8962 D. 0.8577 E. Can not be determined.
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Suppose that 76% of Americans prefer Coke to Pepsi. A sample of 80 was taken. What is the probability that at least seventy percent of the sample prefers Coke to Pepsi?
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Birth weights in the US are normally distributed with a mean of 3420g and standard deviation 495g. What is the probability that a baby will weigh 4420g?
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