cnnbc recently reported that the mean annual cost of auto insurance is 960 dollars assume the standard deviation is 266 dollars you take a simple random sample of 64 auto insurance policies. find the...

cnnbc recently reported that the mean annual cost of auto insurance is 960 dollars assume the standard deviation is 266 dollars you take a simple random sample of 64 auto insurance policies.

find the probability that a single randomly selected value is less than 997 dollars

p(x<>

find the probability that a sample of size n=64 is randomly selected with a mean less than 997

p(m<>

enter your answers as numbers accurate to 4 decimal places