Refer to Exercise 3 115 Suppose the times taken to learn the basics of this software program by all students have a bell shaped distribution with a mean of 200 minutes and a standard deviation of 20 minutes a Using the empirical rule, find the percentage of students who will learn the basics of thi...

200 minutes and 20 minutes a i The interval 180 to ...

Refer to Exercise 3.115. Suppose the times taken to learn the basics of this software program by

Question:

Refer to Exercise 3.115. Suppose the times taken to learn the basics of this software program by all students have a bell-shaped with a mean of 200 minutes and a standard deviation of 20 minutes.
a. Using the empirical rule, find the percentage of students who will learn the basics of this software program in
i. 180 to 220 minutes
ii. 160 to 240 minutes
b. Using the empirical rule, find the interval that contains the times taken by 99.7% of all students to learn this software program. 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...