Answered: Katey is planning her shopping list for…

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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Katey is planning her shopping list for Easter and she volunteered to make pies for dinner. Out of all of her family members, she knows from past experience that each family member eats 2 pieces of pie on average with a standard deviation of 0.4 and that the number of pieces of pie eaten by family members is normally distributed. This year a random sample of 15 family members are coming for Easter. Because of the current state of affairs, the pies will be left on the doorsteps for people to grab a slice or two. Find the 80^th percentile for the total number of pieces of pie eaten. Round up to a whole number.

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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