Given That Z Is a Standard Normal Random Variable, What $\pm$

question 23

Multiple Choice

Given that z is a standard normal random variable, what is the value of z if the area between -z and z is 0.901?

• A) 1.96
• B) -1.96
• C) \(\pm\) 0.4505
• D) \(\pm\) 1.65

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Definitions:

Long Life

Living for an extended period, often beyond the average lifespan for a species or demographic group.

Life Expectancy

The average period that a person may expect to live.

Mortality Rate

A measure of the frequency of occurrence of death in a defined population during a specified interval.

Cohort Death Rate

is a measure of mortality rates within a defined cohort of individuals over a specific period of time, illustrating the rate at which members of the cohort die.