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A Bank's Manager Has Videotaped 20 Different Teller Transactions to Observe

question 11

Essay

A bank's manager has videotaped 20 different teller transactions to observe the number of mistakes being made.Ten transactions had no mistakes,five had one mistake and five had two mistakes.Compute proper control limits at the 90% confidence level.


Definitions:

Disadvantage

A circumstance or condition that unfavorably affects someone, reducing their chances of success.

Own Ability

An individual's self-assessed competence or skill in a particular area.

Self-Serving Biases

Cognitive biases that lead to perceiving oneself in a favorable manner, often by attributing success to internal factors and failures to external factors.

Attributions

Explanations one gives for the causes of events, behaviors, and outcomes, often as internal (personal) or external (situational) factors.

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