Name: Hour: 1. Let Y the number of siblings for a student at a local high school. Suppose we choose someone from the school at random. The probability distribution of Y is as Date: follows Y 2 3. 4. 5+ Probability 0.02 0.25 0.35 0.20 0.10 0.08 (a) Is Y a discrete or continuous? Explain. (b) Is this a valid probability distribution? Explain. (c) Create a histogram for the probability distribution and describe its shape. (d) Find the probability that the randomly selected student has at least one sibling. (e) Describe in words what P(Y>2) means and find the probability. (f) Calculate the mean of Y. Interpret this in context. (g) The standard deviation is 1.236. Interpret this in context. © 2017 BFW Publishers Starnes/Tabor Statistics and Probability with Applications 3/e

Name: Hour: 1. Let Y the number of siblings for a student at a local high school. Suppose we choose someone from the school at random. The probability distribution of Y is as Date: follows Y 2 3. 4. 5+ Probability 0.02 0.25 0.35 0.20 0.10 0.08 (a) Is Y a discrete or continuous? Explain. (b) Is this a valid probability distribution? Explain. (c) Create a histogram for the probability distribution and describe its shape. (d) Find the probability that the randomly selected student has at least one sibling. (e) Describe in words what P(Y>2) means and find the probability. (f) Calculate the mean of Y. Interpret this in context. (g) The standard deviation is 1.236. Interpret this in context. © 2017 BFW Publishers Starnes/Tabor Statistics and Probability with Applications 3/e

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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