If and Are Normally Distributed Random Variables with a Mean

question 55

Multiple Choice

If and are normally distributed random variables with a mean of 95 and a standard deviation of 20, and that and are independent of each other, then P( and < 60) is:

• A) .0401
• B) .0802
• C) .2115
• D) .0016
• E) .1255

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Definitions:

Government Food Vouchers

Financial assistance programs provided by governments to help low-income families purchase food and other essentials.

Hispanic Female

A woman who identifies with a Spanish-speaking culture or heritage, often associated with countries from Latin America or Spain.

Sampling Bias

A bias in which certain members of a population are disproportionally represented in a sample, leading to inaccurate results.

Correlation Coefficient

A statistical measure that calculates the strength and direction of a linear relationship between two quantitative variables.