A population has a mean of 300 and a standard deviation of 6

A population has a mean of 300 and a standard deviation of 60. Suppose a sample of size 125 is selected and is used to estimate .

What is the probability that the sample mean will be within +/- 4 of the population mean (to 4 decimals)?

What is the probability that the sample mean will be within +/- 10 of the population mean (to 4 decimals)?