Suppose 40% of the TV Sets in Use in the U.S

question 72

Short Answer

Suppose 40% of the TV sets in use in the U.S. on a particular night were tuned in to game 7 of the World Series.
If we were to take a sample of six in-use TV sets that night, what is the probability exactly three are tuned to the World Series?
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If, instead, the sample consisted of 15 in-use TVs, what is the probability five or more are tuned to the World Series?
______________

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Definitions:

Mean

An average of a set of numbers, calculated by dividing the sum of all the values by the number of values.

Z Score

A numerical calculation indicating how a specific value's distance from the group's average is expressed in multiple standard deviations.

Mean

The arithmetic average of a set of numbers, calculated by adding them all up and dividing by the quantity of numbers.

Standard Score

A score that expresses an individual's position relative to the mean, based on the standard deviation of the scores in the distribution.