Question

The average time a boulder high varsity lacrosse player plays in a game is 27 minutes with a standard deviation of 6 minutes. nolan's playing time in last week's game against fairview was 50 minutes. (a) calculate the z-score for nolan's playing time against fairview. (round your answer to 2 decimal places.)

Answer 1

Given:
μ = 27 minutes, the mean value
σ = 6 minutes, the standard deviation
The random variable is x = 50 minutes.

Part (a)
The z-score is
z = (x - μ)/σ
= (50 - 27)/6
= 3.83

Answer: 3.83