CNNBC recently reported that the mean annual cost of auto insurance is 1020 dollars Assume...
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CNNBC recently reported that the mean annual cost of auto insurance is 1020 dollars Assume the standard deviation is 263 dollars You take a simple random sample of 90 auto insurance policies Find the probability that a single randomly selected value is less than 961 dollars PIX 961 Find the probability that a sample of size n 90 is randomly selected with a mean less than 961 dollars P M 961 Enter your answers as numbers accurate to 4 decimal places
CNNBC recently reported that the mean annual cost of auto insurance is 1020 dollars Assume the standard deviation is 263 dollars You take a simple random sample of 90 auto insurance policies Find the probability that a single randomly selected value is less than 961 dollars PIX 961 Find the probability that a sample of size n 90 is randomly selected with a mean less than 961 dollars P M 961 Enter your answers as numbers accurate to 4 decimal places
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