The mean height of a basketball team is 6 feet with a standard deviation of 0.2 feet. the team's center is 6.7 feet tall. find the center's z score. is his score unusual?

z-score = 3.5, Yes, z-score is unusual.

Step-by-step explanation:

Given information:

Population mean ; μ = 6 feet

Standard deviation ; σ = 0.2 feet

Sample mean = 6.7 feet

The formula for z-score is

where, is sample mean, μ is population mean and σ is standard deviation.

Substitute the given values in the above formula.

The z-score is 3.5.

If a z-score is less than -2 or greater than 2, then it is known as unusual score.

3.5 >  2

It means z-score is unusual.

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