Purchase Solution

Probability Distribution

Not what you're looking for?

Ask Custom Question

Determine whether each of the distributions given below represents a probability distribution. Justify your answer.

(A)
x 1 2 3 4
______________________________

P(x) 1/12 5/12 1/3 1/12

(B)

x 3 6 8
__________________________

P(x) 2/10 0.5 1/5

(C)

x 20 35 40 50
_______________________________
P(x) 0.4 -0.2 0.5 0.3

Purchase this Solution

Solution Summary

The expert determines whether each of the distribution represents.

Solution Preview

To see if each of these is a probability distribution, we have to make sure that all of the probabilities are positive (greater than or equal to 0) and that they add together to equal 1 ...

Purchase this Solution


Free BrainMass Quizzes
Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.