The weights for 12-month-old baby boys are normally distributed with a mean of 22.5 poundsand a standard deviation of 2.2 pounds.Find the percentage to the nearest tenth of 12-month-old baby boys who weigh between 19.7and 24.4 pounds.

If the random variable X follows normal distribution with mean μ and standard deviation σ, then…

Answered: The weights for 12-month-old baby boys…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The weights for 12-month-old baby boys are normally distributed with a mean of 22.5 pounds and a standard deviation of 2.2 pounds. Find the percentage to the nearest tenth of 12-month-old baby boys who weigh between 19.7 and 24.4 pounds.