In the following probabilitydistribution, the random variable x represents the number of activities a parent of a K-5th-grade student is involved in. X 0 1 2 3 4 1. Is this a discrete probability distribution? P(x) 0.073 0.154 0.281 0.364 0.128 2. What is the probability that a randomly selected student has a parent involved in two activities? 3. What is the probability that a randomly selected student has a parent involved in one or two activities? 4. Compute the mean of the random variable x. 5. Which of the following interpretations of the mean is correct? a) As the number of experiments decreases, the mean of the observations will approach the mean of the random variable. b) The observed value of an experiment will be less than the mean of the random variable in most experiments. c) The observed value of an experiment will be equal to the mean of the random variable in most experiments. d) As the number of experiments increases, the mean of the observations will approach the mean of the random variable.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Due: Wednesday, Oct. 04th
In the following probabilitydistribution, the random variable x represents the number of activities a
parent of a K-5th-grade student is involved in.
X
0
1
2
3
4
1. Is this a discrete probability distribution?
P(x)
0.073
0.154
0.281
0.364
0.128
2. What is the probability that a randomly selected student has a parent involved in two activities?
610/2)
3. What is the probability that a randomly selected student has a parent involved in one or two
activities?
4. Compute the mean of the random variable x.
5. Which of the following interpretations of the mean is correct?
a) As the number of experiments decreases, the mean of the observations will approach the mean
of the random variable.
b) The observed value of an experiment will be less than the mean of the random variable in most
experiments.
c) The observed value of an experiment will be equal to the mean of the random variable in most
experiments.
d) As the number of experiments increases, the mean of the observations will approach the mean
of the random variable.
Transcribed Image Text:Due: Wednesday, Oct. 04th In the following probabilitydistribution, the random variable x represents the number of activities a parent of a K-5th-grade student is involved in. X 0 1 2 3 4 1. Is this a discrete probability distribution? P(x) 0.073 0.154 0.281 0.364 0.128 2. What is the probability that a randomly selected student has a parent involved in two activities? 610/2) 3. What is the probability that a randomly selected student has a parent involved in one or two activities? 4. Compute the mean of the random variable x. 5. Which of the following interpretations of the mean is correct? a) As the number of experiments decreases, the mean of the observations will approach the mean of the random variable. b) The observed value of an experiment will be less than the mean of the random variable in most experiments. c) The observed value of an experiment will be equal to the mean of the random variable in most experiments. d) As the number of experiments increases, the mean of the observations will approach the mean of the random variable.
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