An $\bar { x }$ Chart for a Normally Distributed Random Variable Has Control Limits

question 96

Multiple Choice

An $\bar { x }$ chart for a normally distributed random variable has control limits set at $\pm$ 3 standard errors from the centerline.One sample mean falls outside the control limits when the process is actually under control.The probability that this happened by chance is:

• A) .997
• B) .500
• C) .050
• D) .003

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Definitions:

Criteria

Standards, principles, or rules by which something can be judged or decisions can be made.

Evaluating Options

Evaluating options involves assessing various alternatives in decision-making based on criteria such as advantages, disadvantages, potential outcomes, and impacts.

Evaluating Options

The process of considering and assessing various possible courses of action before making a decision.

Reaching A Consensus

Reaching a consensus involves all parties in a discussion agreeing on a specific decision or solution, typically through negotiation and compromise.