There Are 250 Computer Programmers Employed at Computers

question 129

Short Answer

There are 250 computer programmers employed at Computers.com, Inc. A sample of 50 programmers revealed that 30 graduated with a four-year college degree. Construct the 95 percent confidence interval for the proportion of all programmers who graduated from a four-year university.

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Definitions:

Random Digits

A sequence of numbers in which each number has an equal probability of occurring and the occurrence of each number is independent of the others.

Electroconvulsive Therapy

A psychiatric treatment where seizures are electrically induced in patients to provide relief from mental disorders.

Short-Term Memory

Activated memory that holds a few items briefly, such as the seven digits of a phone number while dialing, before the information is stored or forgotten.

Memory Trace

A theoretical concept proposing that memories are stored as physical or chemical changes in the brain.