If X Is Normally Distributed with Mean 12 and Standard

question 3

Multiple Choice

If x is normally distributed with mean 12 and standard deviation 2,then P(x ≤ 9) is

• A)P(z ≤ 9/10).
• B)P(z ≤ −3/2)
• C)P(z ≤ 2/3)
• D)P(z ≤ −3/4)

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Definitions:

Problem

A situation, question, or matter that presents complexity, difficulty, or uncertainty requiring resolution or answer.

Concessions

Compromises made by negotiating parties where one or both sides agree to make changes to their initial demands or positions.

Negotiators

Individuals involved in discussions aimed at reaching an agreement or resolving a dispute.

Possibility

The potential or capacity for something to happen or come into being, without speculating on its likelihood.