9 Answered Questions for the topic Discrete Probability Distribution

Discrete Probability Distribution Statistics Probability Probability Distribution

08/01/18

Please help me to answer these questions for cumulative distribution of the random variable X

The cumulative distribution of the random variable X is given by G(x) = 0                    for x<0            3x2-2x3          for 0≤x<1            1                   for x ≥1 a)Find the... more
Discrete Probability Distribution Statistics Probability Joint Probability

01/21/17

Need Help finding constant C in joint pmf for two discrete variables

Determine the constant c so that f (x, y) satisfies the conditions of being a joint pmf for two discrete random variables X and Y:   f (x, y) = c(1/4)^x * (1/3)^y, where x = 1, 2, . . . , y = 1,... more
Discrete Probability Distribution Discrete Math Mathematics Discrete Mathematics

01/02/17

Home Work Assignmet

1. How many different positive integers can be made from the digits {2, 4, 6, 8} if repetitions are allowed?   2. What is the telescoping form of f(x) = x4 + 7x3 - x2 + 2x + 1 ?   3. Let r =... more
Discrete Probability Distribution Statistics Question Distribution Probability Distribution

12/15/16

Discrete probability distributions

If you select a red diamond picture card (i,e.) a card that doesn't have a number on it) you win $100. It costs $10 to play this game. What is your expected earnings? if you played this game 10,000... more
Discrete Probability Distribution Division Discrete Mathematics Properties Of Divisibility

10/08/15

Properties of Divisibility

Let a, b, and c be integers with a≠0. Prove that if a|b then ab|c.

what proportion of a normal distribution is within one standard deviation of the mean

how do i figure out what proportion of a normal distribution is within one standard deviation of the mean
Discrete Probability Distribution Probability

12/01/14

Discrete Probability - Need Help Please!

Five slips of paper containing the numbers 5, 7, 9, 13, 21 are placed in a hat. If the experiment consists of drawing one number, and if the experiment is repeated a large number of times, what is... more
Discrete Probability Distribution Probability

12/01/14

Discrete Probability - Need Help Please!

Suppose an experiment has seven possible outcomes for x: 0, 1, 2, 3, 4, 5, 6. The probability that each of these outcomes occurs is x/21. What is the expected value of x for the experiment?
Discrete Probability Distribution

10/28/14

A certain lock has five tumblers, and each tumbler can assume six positions. How many different possibilities are there?

I am doing most of my questions for my homework on probability and I Do not know how solve any of them 

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