In the following probability distribution, the random variable x represents the number of activities a 3 4 1 0.084 P(x) 0.387 0.261 0.183 0.085 The mean is 1.495 activities. (Type an integer or a decimal. Do not round.) Which of the following interpretations of the mean is correct? A. As the number of experiments increases, the mean of the observations will approach the mean O B. The observed value of an experiment will be equal to the mean of the random variable in most e O C. The observed value of an experiment will be less than the mean of the random variable in most O D. As the number of experiments decreases, the mean of the observations will approach the mean e (d) Compute the standard deviation of the random variable x. The standard deviation is 1.4 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.)
In the following probability distribution, the random variable x represents the number of activities a 3 4 1 0.084 P(x) 0.387 0.261 0.183 0.085 The mean is 1.495 activities. (Type an integer or a decimal. Do not round.) Which of the following interpretations of the mean is correct? A. As the number of experiments increases, the mean of the observations will approach the mean O B. The observed value of an experiment will be equal to the mean of the random variable in most e O C. The observed value of an experiment will be less than the mean of the random variable in most O D. As the number of experiments decreases, the mean of the observations will approach the mean e (d) Compute the standard deviation of the random variable x. The standard deviation is 1.4 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.)
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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What’s e?
Transcribed Image Text:In the following probability distribution, the random variable x represents the number of activities a p
1
3
4
P(x)
0.387
0.084
0.261
0.183
0.085
The mean is 1.495 activities.
(Type an integer or a decimal. Do not round.)
Which of the following interpretations of the mean is correct?
A. As the number of experiments increases, the mean of the observations will approach the mean
O B. The observed value of an experiment will be equal to the mean of the random variable in most ex
OC. The observed value of an experiment will be less than the mean of the random variable in most e
O D. As the number of experiments decreases, the mean of the observations will approach the mean o
(d) Compute the standard deviation of the random variable x.
The standard deviation is 1.4 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.)
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