Question

In: Statistics and Probability

Two fair dices, X and Y , are tossed separately. Let A, B and C represent...

Two fair dices, X and Y , are tossed separately. Let A, B and C represent the following three events. A: You got an odd number from die X. B: You got an even number from die Y . C: The sum of two dice is an odd number. Whether A, B, C are independent? Explain!

Solutions

Expert Solution


Related Solutions

Two fair dice are tossed together. Let X be the sum and Y the product of...
Two fair dice are tossed together. Let X be the sum and Y the product of the two numbers on the top of the dice. Calculate E(X+ 3Y).
4 fair coins are tossed. Let X be the number of heads and Y be the...
4 fair coins are tossed. Let X be the number of heads and Y be the number of tails. Find Var(X-Y) Solution: 3.5 Why?
Two fair dice are tossed. Let A be the maximum of the two numbers and let...
Two fair dice are tossed. Let A be the maximum of the two numbers and let B be the absolute difference between the two numbers. Find the joint probability of A and B. Are A and B independent? How do you know?
Two fair dice are tossed, and (X,Y) denote the number of spots on the first and...
Two fair dice are tossed, and (X,Y) denote the number of spots on the first and on the second dice. Consider two random variables: U = X + Y and W = | X - Y |. A). Derive the distribution of U. List all possible values and evaluate their probabilities. B). Derive the distribution of W. List all possible values and evaluate their probabilities. C). Determine the conditional probability P[6 <= U <= 7 | W <= 1]
A fair coin is tossed r times. Let Y be the number of heads in these...
A fair coin is tossed r times. Let Y be the number of heads in these r tosses. Assuming Y=y, we generate a Poisson random variable X with mean y. Find the variance of X. (Answer should be based on r).
Two rolls of a fair die. Let x and y be the results of the two...
Two rolls of a fair die. Let x and y be the results of the two rolls, and let z = x + y. (a) Find P[x = 4, y = 3], P[x > 3, y = 5]. (b) Find P[z = 7], P[z = 5], P[z = 3]. (c) Find the probability that at least one 6 appears given that z = 8. (d) Find the probability that x = 6 given that z > 8. (e) Find the...
Suppose two fair sided die with sides labeled 1,2,3,4,5,6 are tossed independently. Let X = the...
Suppose two fair sided die with sides labeled 1,2,3,4,5,6 are tossed independently. Let X = the minimum of the value from each die. a. What is the probability mass function(pmf) of X? b. Find the mean E[X] and variance V (X). c. Write the cumulative distribution function (cdf) of X in a tabular form. d. Write F(x) the cdf of X as a step function and give a rough sketch for this function.
Two fair dice are thrown. Let X be the number of 5’s and Y be the...
Two fair dice are thrown. Let X be the number of 5’s and Y be the number of 6’s. Find (a) the joint PMF of X and Y, (b) the two marginal distributions (PMFs), and (c) the conditional distribution (PMF) of Y given X = x for each possible value of X.
A fair coin is tossed two ​times, and the events A and B are defined as...
A fair coin is tossed two ​times, and the events A and B are defined as shown below. Complete parts a through d. ​A: {At most one tail is​ observed} ​B: {The number of tails observed is even​} a. Identify the sample points in the events​ A, B, Aunion​B, Upper A Superscript c​, and AintersectB. Identify the sample points in the event A. Choose the correct answer below. A. ​A:{TT comma HH​} B. ​A:{TT​} C. ​A:{HH comma HT comma TH​}...
A fair coin is tossed four times. Let X denote the number of heads occurring and...
A fair coin is tossed four times. Let X denote the number of heads occurring and let Y denote the longest string of heads occurring. (i) determine the joint distribution of X and Y (ii) Find Cov(X,Y) and ρ(X,Y).
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT