A Local Bank Needs Information Concerning the Checking Account Balances

question 55

Multiple Choice

A local bank needs information concerning the checking account balances of its customers. A random sample of 15 accounts was checked. The mean balance was $686.75 with a standard deviation of $256.20. Find a 98%
Confidence interval for the true mean. Assume that the account balances are normally distributed.

• A)($513.17, $860.33)
• B)($238.23, $326.41)
• C)($326.21, $437.90)
• D)($487.31, $563.80)

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Definitions:

Remorse

A deep feeling of regret or guilt for a wrong committed.

Anorexia Nervosa

An eating disorder characterized by an obsessive fear of gaining weight and a refusal to maintain a healthy body weight.

Impulsive

Acting on spontaneous desires and feelings without considering the consequences or the appropriateness of the action.

Eating Disorders

Severe disturbances in eating behavior characterized by preoccupation with weight and unhealthy efforts to control weight.