Jolyn's points per basketball game are normally distributed with a standard deviation of 7 points. If Jolyn scores 48 points, and the z-score of this value is 3, then what is her mean points in a game?

If Jolyn scores 48 points, and the z-score of this value is 3, then her mean points in this normally distributed game is equal to 27.How to calculate the mean points?In a normal distribution, the relative score or z-score can be calculated by using this formula:[tex]z=\frac{x\;-\;u}{\sigma}[/tex]Where:x represents the sample score.u represents the mean point.σ represents the standard deviation.Making mean (μ) the subject of formula, we have:μ = x - zσ  xSubstituting the given parameters into the formula, we have;Mean point, μ = 48 - (3 × 7) Mean point, μ = 48 - 21Mean point, μ = 27.Read more on z-scores here: https://brainly.com/question/26714379#SPJ1