CNNBC recently reported that the mean annual cost of auto insurance is 1015 dollars. Assume the standard deviation is 220 dollars. You take a simple random sample of 71 auto insurance policies. Find the probability that a single randomly selected value is less than 976 dollars. P(X<976) - Find the probability that a sample of size n = 71 is randomly selected with a mean less than 976 dollars. P(x-bar < 976) -