Suppose 40% of All College Students Have a Computer at Home

question 13

Multiple Choice

Suppose 40% of all college students have a computer at home and a sample of 64 is taken. What is the probability that more than 30 of those in the sample have a computer at home?

• A) 0.3686
• B) 0.1314
• C) 0.8686
• D) 0.6314
• E) 0.1343

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Definitions:

Population Mean

The average value of all the elements in a population, representing the central tendency of that population.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the values in a dataset deviate from the mean.

Confidence Interval

An estimated range of values calculated from sample data that is likely to include the true parameter of the whole population with a certain level of confidence.

Population Mean

The average value of all members of a total population.