The number of peanuts contained in a jar follows the normal distribution with mean and variance

Question:

The number of peanuts contained in a jar follows the normal with mean µ and variance σ2. Quality control inspections over several periods show that 5 percent of the jars contain less than 6.5 ounces of peanuts and 10 percent contain more than 6.8 ounces.
a. Find µ and σ2.
b. What percentage of bottles contain more than 7 ounces?
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...