Answered: The weights of a certain brand of…

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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The weights of a certain brand of candies are normally distributed with a mean weight of 0.8554g and a standard deviation of 0.0515g. A sample of these candies came from a package containing 441 candies, and the package label stated that the net weight is 376.7g. (If every package has

441 candies, the mean weight of the candies must exceed 376.7/441=0.8541g for the net contents to weigh at least 376.7g.)

a. If 1 candy is randomly selected, find the probability that it weighs more than 0.8541

The probability is ______

(Round to four decimal places as needed.)

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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