Answered: Practice question #8. According to one…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Practice question #8. According to one study, babies' birth weights are normally distributed with mean 120 ounces and standard deviation 8 ounces. Low birth weight is an important indicator of a new baby's chances of survival. One
definition of low birth weight is a baby being in the lowest 5% of birth weights.
a. What is the probability that a baby is in the lowest 5% of birth weights? Show some work.

b. Find the probability that a baby is born weighing more than 135 ounces. Show some work.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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