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CNNBC recently reported that the mean annual cost of auto insurance is 971 dollars. Assume the standard deviation is 296 dollars. You take a simple
CNNBC recently reported that the mean annual cost of auto insurance is 971 dollars. Assume the standard deviation is 296 dollars. You take a simple random sample of 69 auto insurance policies. Find the probability that a single randomly selected value is less than 992 dollars. P(X < 992) = Find the probability that a sample of size n=69 is randomly selected with a mean less than 992 dollars. P(M < 992) = Enter your answers as numbers accurate to 4 decimal places.
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