CNNBC recently reported that the mean annual cost of auto insurance is 1018 dollars. Assume the standard deviation is 224 dollars. You take a simple random sample of 90 auto insurance policies. Find the probability that a single randomly selected value is less than 981 dollars. P(X < 981) =  Find the probability that a sample of size n=90n=90 is randomly selected with a mean less than 981 dollars. P(M < 981) =  Enter your answers as numbers accurate to 4 decimal places. Submit QuestionQuestion 3

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Q: Find the variance

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