Answered: Baby weights: The weight of male babies…

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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Question

Baby weights: The weight of male babies less than

months old in the United States is normally distributed with mean

12.1 pounds

and standard deviation

5.3 pounds

. Use the TI-83 Plus/TI-84 Plus calculator to answer the following. Round the answers to four decimal places.

Part: 0 / 4

0 of 4 Parts Complete

Part 1 of 4

(a) What proportion of babies weigh more than

pounds

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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