Assume That the Random Variable X Is Normally Distributed, with Mean

question 131

Multiple Choice

Assume that the random variable X is normally distributed, with mean $\mu$ = 60 and standard deviation $\sigma$ = 12. Compute the probability $\mathrm { P } ( \mathrm { X } < 75 )$

• A)0.8944
• B)0.8849
• C)0.1056
• D)0.9015

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Definitions:

Norms

Shared expectations and rules that guide behavior of members within a group or society.

Cohesiveness

The quality of being united, sticking together, or the degree to which members of a group or team are attracted to each other and motivated to stay in the group.

Groupthink

A psychological phenomenon where the desire for harmony in a decision-making group overrides a realistic appraisal of alternatives.

Role Ambiguity

The uncertainty encountered by individuals regarding the expectations of their role or responsibilities.