Scores on a particular test, taken by a large group of students, follow a normal distribution with

Question:

Scores on a particular test, taken by a large group of students, follow a normal with a standard deviation of 40 points. A random sample of 16 scores was taken to estimate the population mean score. Let the random variable x-bar denote the sample mean. What is the probability that the interval (x-bar – 10) to (x-bar + 10) contains the true population mean? Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...