You Have Been Asked to Observe the Shift Supervisor at the Process

question 16

Short Answer

You have been asked to observe the shift supervisor at the process test plant for Hudson Chemical Co.to estimate the proportion of time she spends answering questions for the operators.Your 30 observations have revealed the following:
(a)Based on the preliminary data,calculate the proportion of time she spends answering questions for the operators.
(b)Calculate the sample size needed to estimate the proportion of time she spends answering questions for the operators.Assume a 90% confidence that the results will lie within 5% of the true value.

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Definitions:

Thinking Errors

Cognitive distortions or irrational thought patterns that negatively affect one's perception and interpretation of events.

Cognitive Therapy

A form of psychotherapy that focuses on changing negative patterns of thought in order to alter behavior and emotions.

Client-centered Therapy

A humanistic approach to psychotherapy that emphasizes the importance of an empathetic counselor-client relationship, promoting self-discovery and personal growth.

Systematic Desensitization

A behavioral therapy technique used to reduce anxiety or fear by gradually exposing the person to the anxiety source while teaching relaxation responses.