In a sample of 5,000 students , the mean GPA is 2.80 and the standard deviation is 0.35. Assume the distribution to be normal. How many students score below 2.60? 1723.18 = approx. 1723 students 2163.42 = approx. 2163 students 3580.73 = approx. 3581 students 1419.27 = approx. 1419 students
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6 using the formula: \[ Z = \frac{X - \mu}{\sigma} \] where: - \( X = 2.6 \) (GPA score) - \( \mu = 2.8 \) (mean GPA) - \( \sigma = 0.35 \) (standard deviation) \[ Z = \frac{2.6 - 2.8}{0.35} = -0.57 \] ** Show more…
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