Assume Z Is a Standard Normal Random Variable

question 36

Multiple Choice

Assume z is a standard normal random variable. Then P(-1.5 ≤ z ≤ 1.09) equals _____.

• A) .4322
• B) .3621
• C) .7953
• D) .0711

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Definitions:

Variable Substitution

In mathematics, this involves replacing variables with other variables or values to simplify expressions or solve equations.

Mathematical Expression

A combination of numbers, operations, and sometimes variables that represents a mathematical relationship or value.

Exponentiation

The mathematical operation involving the raising of a number to the power of another number.

Mathematical Expression

A combination of numbers, operations, and symbols forming a meaningful equation or inequality.