Discrete random variable X has possible values 2, 6, 10, 14, 18, and 22
Discrete random variable X has possible values 2, 6, 10, 14, 18, and 22. Continuous random variable Y has density function f(y) = y/288, if 0 < y < 24 and f(y) = 0 otherwise. If Y is a good approximation for X, find Pr[6 ≤ X ≤ 18].
1/4
1/3
5/7
2/3
1
Homework Answers
X takes values : 2, 6, 10, 14, 18, 22
We have to find,
4 th option is correct.
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Discrete random variable X has possible values 2, 6, 10, 14, 18, and 22
Determine whether the random variable is discrete or continuous. In each case, state the possible values...
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game. (b) The square footage of a house. (a) Is the number of points scored during a basketball game discrete or continuous? O A. The random variable is continuous. The possible values are x = 0, 1, 2,.... OB. The random variable is continuous. The possible values are x20. O C....
Determine whether the random variable is discrete or continuous. In each case, state the possible values...
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Determine whether the random variable is discrete or continuous. In each case, state the possible values...
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game. (b) The time it takes for a light bulb to burn out. (a) is the number of points scored during a basketball game discrete or continuous ? O A. The random variable is continuous. The possible values are x 20. OB. The random variable is discrete. The possible values are...
Determine whether the random variable is discrete or continuous. In each case, state the possible values...
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of people with blood type Upper A in a random sample of 17 peoplepeople with blood type A in a random sample of 17 people. (b) The amount of rain in City Upper B during Aprilamount of rain in City B during April. (a) Is the number of people with blood type Upper A in a random...
Determine whether the random, variable is discrete or continuous. In each case, state the possble values...
Determine whether the random, variable is discrete or continuous. In each case, state the possble values of the random variable. (a) The number of people in a restuarant that has a capacity of 100 (b) The square footage of a house. (a) Is the number of people in a restuarant that has a capacity of 100 discrete or continuous? 0 A. The random variable is discrete. The possible values are oss 100. B. Tie random variable is continuous. The possible...
Determine whether the random variable is discrete or continuous. In each case, state the possible values...
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game points scored during a basketball game. (b) The time it takes to fly from City Upper A to City Upper Btime it takes to fly from City A to City B. (a) Is the number of points scored during a basketball game points scored during a basketball game discrete or...
7. For a discrete random variable, the set of possible values is a. an interval of...
7. For a discrete random variable, the set of possible values is a. an interval of real numbers. b. a set of numbers that is countable. c. a set of numbers that has a finite number of numbers. d. none of the above. 8. Let X be a continuous random variable, then P( X = 0) is a. 0.00001. b. zero. c. can be large in some random variable. d. none of the above. 9. For a discrete random variable,...
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable.
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game. (b) The amount of rain in City B during April. (a) Is the number of points scored during a basketball game discrete or continuous? A. The random variable is discrete. The possible values are x≥0. B. The random variable is continuous. The possible values are x =0, 1, 2..... C. The random variable is discrete. The...
Please select 2 & 3 2. Let X and Y be discrete random variables taking values...
Please select 2 & 3
2. Let X and Y be discrete random variables taking values 0 or 1 only, and let pr(X = i, Y = j)-pij (jz 1,0;j = 1,0). Prove that X and Y are independent if and only if cov[X,Y) 0 3. If X is a random variable with a density function symmetric about zero and having zero mean, prove that cov[X, X2] 0.
2. The random variable X has probability density function f given by f(x) 0 otherwise. (a)...
2. The random variable X has probability density function f given by f(x) 0 otherwise. (a) Is X continuous or discrete? Explain. (b) Calculate E(X). (c) Calculate Var(2X 9).
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game. (b) The square footage of a house. (a) Is the number of points scored during a basketball game discrete or continuous? O A. The random variable is continuous. The possible values are x = 0, 1, 2,.... OB. The random variable is continuous. The possible values are x20. O C....
Determine whether the random variable is discrete or continuous. In each case, state the possible values of the random variable. (a) The number of points scored during a basketball game. (b) The time it takes for a light bulb to burn out. (a) is the number of points scored during a basketball game discrete or continuous ? O A. The random variable is continuous. The possible values are x 20. OB. The random variable is discrete. The possible values are...
Determine whether the random, variable is discrete or continuous. In each case, state the possble values of the random variable. (a) The number of people in a restuarant that has a capacity of 100 (b) The square footage of a house. (a) Is the number of people in a restuarant that has a capacity of 100 discrete or continuous? 0 A. The random variable is discrete. The possible values are oss 100. B. Tie random variable is continuous. The possible...
7. For a discrete random variable, the set of possible values is a. an interval of real numbers. b. a set of numbers that is countable. c. a set of numbers that has a finite number of numbers. d. none of the above. 8. Let X be a continuous random variable, then P( X = 0) is a. 0.00001. b. zero. c. can be large in some random variable. d. none of the above. 9. For a discrete random variable,...
Please select 2 & 3
2. Let X and Y be discrete random variables taking values 0 or 1 only, and let pr(X = i, Y = j)-pij (jz 1,0;j = 1,0). Prove that X and Y are independent if and only if cov[X,Y) 0 3. If X is a random variable with a density function symmetric about zero and having zero mean, prove that cov[X, X2] 0.
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