The Empirical Rule applies rough approximations to probabilities for any

The Empirical Rule applies rough approximations to probabilities for any unimodal, symmetric distribution. But for the Normal distribution we can be more precise. Use the figure and the fact that the Normal curve is symmetric to answer the questions. Do not use a Normal table or technology.
The Empirical Rule applies rough approximations to probabilities for any

According to the Empirical Rule:
a. Roughly what percentage of z-scores are between -2 and 2?
i. almost all
ii. 95%
iii. 68%
iv. 50%
b. Roughly what percentage of z-scores are between -3 and 3?
i. almost all
ii. 95%
iii. 68%
iv. 50%
c. Roughly what percentage of z-scores are between -1 and 1.
i. almost all
ii. 95%
iii. 68%
iv. 50%
d. Roughly what percentage of z-scores are greater than 0?
i. almost all
ii. 95%
iii. 68%
iv. 50%
e. Roughly what percentage of z-scores are between 1 and 2?
i. almost all
ii. 13.5%
iii. 50%
iv. 2%

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...