If X Is a Normal Random Variable with a Mean $\geq$

question 108

Essay

If X is a normal random variable with a mean of 45 and a standard deviation of 8, find the following probabilities:
a. P(X $\geq$ 50).
b. P(X $\leq$ 32).
c. P(37 $\leq$ X $\leq$ 48).
d. P(50 $\leq$ X $\leq$ 60).
e. P(X = 45).

---

Definitions:

Daily Lives

The everyday activities, routines, behaviors, and functions of individuals or societies.

Magazine Helpful

Refers to articles, tips, or information found in magazines that readers find useful or beneficial.

Population

In statistics, it refers to the entire group of individuals or instances about whom the data is collected, including all subjects of interest.

Desktop Publishing

The production of printed materials using personal computers, software, and printers, enabling high-quality layouts and designs.