If the average amount of calories eaten per day is 2000, with a standard deviation of 300, what would someone’s z-score be if they ate 3000 calories per day?
Given that, mean (μ) = 2000 and
standard deviation
= 300
We want to calculate the z-score for X = 3000 calories per day

Therefore, required z-score is 3.33
If the average amount of calories eaten per day is 2000, with a standard deviation of...
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