A new low fat fudge bar is advertised as having 120 calories; the manufacturing company conducts regular

Question:

A new low fat fudge bar is advertised as having 120 calories; the manufacturing company conducts regular checks by selecting independent random samples and testing the sample average against the advertised average. Historically the population varies as a normal and the most recent sample consists of the numbers 99, 132, 125, 92, 108, 127, 105, 112, 102, 112, 129, 112, 111, 102, 122. Is the population value significantly different from 120 calories (significance level 5%)?
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...