Question 3: At one college, GPAs are normally distributed with a mean of 3 and a standard deviation of 0.6. What percentage of students at the college have GPAs between 2.4 and 3.6?
Added by Lisa A.
Step 1
To find the z-score, we use the formula: z = (x - μ) / σ where x is the GPA, μ is the mean GPA, and σ is the standard deviation. For x = 2.4: z = (2.4 - 3) / 0.6 = -1 For x = 3.6: z = (3.6 - 3) / 0.6 = 1 Show more…
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