A Bank Needs Information Concerning the Checking Account Balances of Its

question 54

Multiple Choice

A bank needs information concerning the checking account balances of its local customers.A random sample of 14 accounts was checked and yielded a mean balance of $664.14 and a standard deviation of $297.29.Find a 98% confidence interval for the true mean checking account balance for local customers.

• A)($492.52,$835.76)
• B)($493.71,$834.57)
• C)($455.65,$872.63)
• D)($453.56,$874.72)
• E)($455.65,$835.76)

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Definitions:

Clairvoyance

A supposed psychic ability that allows a person to gain information about an object, person, location, or physical event through means other than the known human senses.

Psychokinesis

The supposed ability to move or deform inanimate objects, without any physical interactions, merely through mental focus or power.

Vestibular Sense

A sensory system located in the inner ear that provides information about body position and movement, aiding in balance and spatial orientation.

Olfactory Bulb

A brain structure responsible for processing smells, located at the base of the frontal lobe.