Answered: A bag of marbles contains the following…

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

A bag of marbles contains the following assortment of marbles.

Blue	Blue	Blue
Green	Blue	Blue
Yellow	Red	Blue
Green	Green	Yellow
Red	Blue	Yellow

Bag of Marbles

The experiment is to reach into a bag and pull out two marbles with replacement. Calculate the probability of selecting at least one Blue marble.

P(at least one Blue) =

From a normal distribution with μμ = 56 and σσ = 4.5, samples of size 39 are chosen to create a sampling distribution. In the sampling distribution determine the probability that a sample mean is at most 56.728.

P(¯xx¯ ≤ 56.728) =
	[three decimal accuracy]

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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