STATISTICS AND PROBABILITY: Discrete Random Variable Flashcards

1

Let f(x) = kx for x = 4, 5, 6. Find k so that f(x) satisfies the two properties of being a PMF.

2

In the following table, find m.

3

Which of the following statements is/are true?

4

Find the expected value of the probability mass function in the picture.

5

Considering that you already find m, find the expected value of the mass function.

6

The probability distribution of a discrete random variable is called what?

7

Which of the following statements is/are true?

8

Which of the following statements is/are true?

9

The area under the curve of a probability density function is equal to ______.

10

Let X be a discrete random variable & S be the set of first 10 whole numbers. Compute P(x=2)

STATISTICS AND PROBABILITY: Discrete Random Variable