College students are randomly selected and arranged in groups of three. The random variable x is the number in the group who say that they take one or more online courses. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, not every probability is between 0 and 1 inclusive. C. No, the random variable x is categorical instead of numerical. D. No, the sum of all the probabilities is not equal to 1. E. No, the numerical values of the random variable x are not associated with probabilities. A X P(x) 0 1 2 3 0.105 0.359 0.389 0.147 d the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box mplete your choice.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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College students are randomly selected and arranged in groups of three. The random variable x is
the number in the group who say that they take one or more online courses. Determine whether a
probability distribution is given. If a probability distribution is given, find its mean and standard
deviation. If a probability distribution is not given, identify the requirements that are not satisfied.
000
Does the table show a probability distribution? Select all that apply.
A. Yes, the table shows a probability distribution.
B. No, not every probability is between 0 and 1 inclusive.
C. No, the random variable x is categorical instead of numerical.
D.
No, the sum of all the probabilities is not equal to 1...
E. No, the numerical values of the random variable x are not associated with probabilities.
X
0
1
2
3
P(x)
0.105
0.359
0.389
0.147
B
Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to
complete your choice.
Transcribed Image Text:K- College students are randomly selected and arranged in groups of three. The random variable x is the number in the group who say that they take one or more online courses. Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. 000 Does the table show a probability distribution? Select all that apply. A. Yes, the table shows a probability distribution. B. No, not every probability is between 0 and 1 inclusive. C. No, the random variable x is categorical instead of numerical. D. No, the sum of all the probabilities is not equal to 1... E. No, the numerical values of the random variable x are not associated with probabilities. X 0 1 2 3 P(x) 0.105 0.359 0.389 0.147 B Find the mean of the random variable x. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
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