Determine whether the table gives the probability distribution of the random variable X. Explain your answer. x −1 0 1 2 3 P(X = x) 0.3 0.1 0.2 0.2 0.2 A. Yes, because the probabilities are all between 0 and 1, inclusive, and the values are all unique. B. Yes, because the sum of the probabilities is equal to 1 and the values are all unique. C. Yes, because the probabilities are all between 0 and 1, inclusive, and their sum is equal to D. No, because the sum of the probabilities is not less than 1. E. There is not enough information to tell.
Determine whether the table gives the probability distribution of the random variable X. Explain your answer. x −1 0 1 2 3 P(X = x) 0.3 0.1 0.2 0.2 0.2 A. Yes, because the probabilities are all between 0 and 1, inclusive, and the values are all unique. B. Yes, because the sum of the probabilities is equal to 1 and the values are all unique. C. Yes, because the probabilities are all between 0 and 1, inclusive, and their sum is equal to D. No, because the sum of the probabilities is not less than 1. E. There is not enough information to tell.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 11CR
Related questions
Question
Determine whether the table gives the
|
x
|
−1 | 0 | 1 | 2 | 3 |
|---|---|---|---|---|---|
|
P(X = x)
|
0.3 | 0.1 | 0.2 | 0.2 | 0.2 |
A. Yes, because the probabilities are all between 0 and 1, inclusive, and the values are all unique.
B. Yes, because the sum of the probabilities is equal to 1 and the values are all unique.
C. Yes, because the probabilities are all between 0 and 1, inclusive, and their sum is equal to
D. No, because the sum of the probabilities is not less than 1.
E. There is not enough information to tell.
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