Answered: The distribution of all Indian Rivers…

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 distribution of all Indian Rivers County grapefruit Weights is known to be normally distributed with a mean of 290 grams and a standard deviation of 46 grams. Do use this information to determine the following probability. Round solution to four decimal places if necessary. Find the probability that a random sample of 52 grapefruit has a mean weight less than 275 grams. P(x̅ < 275) = Find the probability that a random sample of 52 grapefruit has a mean way between 282 and 286 grams P(282

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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