Baby weights: The weight of male babies less than 2 months old in the United States is normally distributed with mean 12.4 pounds and standard deviation 5.2 pounds.(a) Find the 80th percentile of the baby weights.(b) Find the 17th percentile of the baby weights.(c) Find the first quartile of the baby weights.Use the TI-84 Plus calculator and round the answers to at least two decimal places.Part 1 of 3 The 80th percentile of the baby weights is pounds. Part 2 of 3 The 17th percentile of the baby weights is pounds.

We are given a normal distribution with a mean (μ) of 12.4 pounds and a standard deviation (σ) of…

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

12.4

pounds and standard deviation

5.2

pounds.

(a) Find the

th percentile of the baby weights.

(b) Find the

th percentile of the baby weights.

Use the TI-84 Plus calculator and round the answers to at least two decimal places.

Part 1 of 3

The

th percentile of the baby weights is

pounds.

Part 2 of 3

The

th percentile of the baby weights is

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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