The Number of Goals Scored at State College Hockey Games

question 111

Multiple Choice

The number of goals scored at State College hockey games follows a Poisson distribution with a mean of 4goals per game. Find the probability that each of three randomly selected State College hockey games resultedin seven goals being scored.

• A) 0.00021107
• B) 0.17862110
• C) 0.00001086
• D) 0.82137890

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Definitions:

Standard Normal Random Variable

A random variable that follows a normal distribution with a mean of 0 and a standard deviation of 1.

Area

A measure of the extent of a surface or shape, calculated in square units.

z

A standard score that indicates how many standard deviations an element is from the mean of its distribution.

Standard Normal Random Variable

A random variable with a mean of 0 and a standard deviation of 1, following a normal distribution.