Unit 2 Homework Set: Problem 18 Previous Problem Problem List Next Problem (1 point) College students average 8.5 hours of sleep per night with a standard deviation of 35 minutes. If the amount of sleep is normally distributed, what proportion of college students sleep for more than 9.6 hours? Probability =
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To find the proportion of college students who sleep for more than 9.6 hours, we need to convert 9.6 hours to a z-score. The formula to calculate the z-score is: z = (x - μ) / σ where: x = the value we want to convert to a z-score (9.6 hours) μ = the mean (8.5 Show more…
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