Bricks have weights that are independently distributed with a normal distribution that has a mean 1320 and

Question:

Bricks have weights that are independently distributed with a normal that has a mean 1320 and a standard deviation of 15. A set of 10 bricks is chosen at random. What is the probability that exactly 3 bricks will weigh less than 1300, exactly 4 bricks will weigh between 1300 and 1330, and exactly 3 bricks will weigh more than 1330?
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...