Suppose a population of scores x is normally distributed with 20 and 5 Use the standard normal distribution to find the probabilities indicated 1 Pr(20 x 22 5) 2 Pr(20 x 21 25) 3 Pr(13 75 x 20) 4 Pr(18 5 x 20) ...

Suppose a population of scores x is normally distributed with = 20 and = 5.

Question:

Suppose a population of scores x is normally distributed with μ = 20 and σ = 5. Use the standard normal to find the probabilities indicated.
1. Pr(20 ≤ x ≤ 22.5)
2. Pr(20 ≤ x ≤ 21.25)
3. Pr(13.75 ≤ x ≤ 20)
4. Pr(18.5 ≤ x ≤ 20)
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...