In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below. X 1 3 4 P(x) 0.406 0.137 0.108 0.158 0.191 The standard deviation is activities. (Round to one decimal place as needed.) (e) What is the probability that a randomly selected student has a parent involved in three activities? The probability is. (Type an integer or a decimal. Do not round.) (f) What is the probability that a randomly selected student has a parent involved in three or four activities? The probability is. (Type an integer or a decimal. Do not round.)

In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below. X 1 3 4 P(x) 0.406 0.137 0.108 0.158 0.191 The standard deviation is activities. (Round to one decimal place as needed.) (e) What is the probability that a randomly selected student has a parent involved in three activities? The probability is. (Type an integer or a decimal. Do not round.) (f) What is the probability that a randomly selected student has a parent involved in three or four activities? The probability is. (Type an integer or a decimal. Do not round.)

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

In the following probability distribution, the random variable x represents the number of activities a parent of a 6th- to 8th-grade student is involved in. Complete parts (a) through (f) below.