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:

Social Loafing

The occurrence where people put in less effort towards reaching an objective when they are part of a group compared to when they are working by themselves.

Poorer Quality

Describes a level of quality that is below average or expectation.

Individual Project

A task or research activity conducted by a single person, often to explore a specific topic or solve a problem independently.

Groupthink

The impaired group decision making that occurs when making the right decision is less important than maintaining group harmony.