Properties of Probability Distributions Answers
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1
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Which of the following represents a valid probability distribution?
A
A 2-column table labeled Probability Distribution A has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled P (x) with entries negative 0.14, 0.6, 0.25, 0.29.
B
A 2-column table labeled Probability Distribution B has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled P (x) with entries 0, 0.45, 0.16, 0.39.
C
A 2-column table labeled Probability Distribution C has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled P (x) with entries 0.45, 1.23, negative 0.87, 0.19.
D
A 2-column table labeled Probability Distribution D has 4 rows. The first column is labeled x with entries 1, 2, 3, 4. The second column is labeled P (x) with entries 0.87, 0.56, 0, 1.38.
2
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Which of the following describes the probability distribution below?
A
The median is greater than the mean, and the majority of the data points are to the left of the mean.B
The median is greater than the mean, and the majority of the data points are to the right of the mean.C
The mean is greater than the median, and the majority of the data points are to the left of the mean.D
The mean is greater than the median, and the majority of the data points are to the right of the mean.Did you find these answers helpful?
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