Problem # 6. Uniform random variable Y was shown to have mean E[Y ] = 100, and further that P[Y > 125] = 1/4. What is P[Y < 80]?
Problem # 6. Uniform random variable Y was shown to have mean E[Y ] = 100,...
Let the random variable X have a uniform distribution on [0,1] and the random variable Y (independent of X) have a uniform distribution on [0,2]. Find P[XY<1].
Y is a continuous uniform random variable with mean 3. The 80th percentile of Y is 6. Determine the second moment of Y.
Problem 1. 15 points] Let X be a uniform random variable in the interval [-1,2]. Let Y be an exponential random variable with mean 2. Assunne X and Y are independent. a) Find the joint sample space. b) Find the joint PDF for X and Y. c) Are X and Y uncorrelated? Justify your answer. d) Find the probability P1-1/4 < X < 1/2 1 Y < 21 e) Calculate E[X2Y2]
S2-R be a random variable on a probability space (LF, P) with the uniform distribution on [1-1,T+름 . Does there exist a random variable Y : Ω → R For each n E N, let Yn such that Y,,-, Y almost surely as n-> oo?
S2-R be a random variable on a probability space (LF, P) with the uniform distribution on [1-1,T+름 . Does there exist a random variable Y : Ω → R For each n E N, let...
can you solve 1 and 2 please???
1. Calculate E(Y) and SD(Y) for the random variable Y with pdf gy (y) = -7?, 1<y<4. 2. The random variable X has mean jix = 12 and standard deviation o x = 5. Define a new random variable Y = ax + b. (a) Calculate My and oy when a = -2 and 6 -3. (b) Calculate the values of a and b that result in My = 20 and a 100.
Answer the following questions: (a) Suppose X is a uniform random variable with values 1, 2, 3, and 4. Then, 1) P(X = 3) = (correct to 2 decimal). 2) P(X S 3) = (correct to 2 decimal) 3) P(X > 3) = (correct to 2 decimal) 4) P(2 < X < 4) = (correct to 1 decimal) (b) Suppose Y is a random variable having Binomial distribution with parameters n = 10 and p = 0.5. Find (1) P(Y...
2. Assume the random variable y has the continuous uniform distribution defined on the interval a to b, that is, f(y) = 1/6 - a), a sy<b. For this problem let a = 0 and b = 2. (a) Find P(Y < 1). (Hint: Use a picture.) (b) Find u and o2 for the distribution.
Q6 (4pt) Let X be a discrete uniform random variable over {1,2,...,6} and let Y be a Bernoulli random variable with parameter 1/2 such that X, Y are independent. (1) Find the PMF of the random variable Z, where Z XY. (2) Compute the third moment of Z, that is, E[z2
Problem 3: Assume the continuous random variable X follows the uniform[0,1] distribution, and define another random variable Y- In () 1-X a) Determine the CDF of Y. Hint: start by writing P(Y y), then show that P(Y y) = P(X s g(v)), where g(y) is a function that you need to determine. b) Determine the PDF of Y.
Random variable X has mean Ux=24 and standard deviation σx =6. Randon variable Y has mean Uy =14 and standard deviation σY = 4. A new random variable Z was formed, where Z=X+Y. What can we conclude about X, Y, and Z with certainty? That is, which one is true?