Question

Suppose we let X be a random variable that takes value 1, 2, 3 with equal...

Suppose we let X be a random variable that takes value 1, 2, 3 with equal probability.

Then How many samples of X are needed on average to see all values at least once?

Also, what if X is a random variable that takes values 1, 2 or 1,2,3,4?

Thank you!

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Let K be a random variable that takes, with equal probability 1/(2n+1), the integer values in...
Let K be a random variable that takes, with equal probability 1/(2n+1), the integer values in the interval [-n,n]. Find the PMF of the random variable Y = In X. Where X = a^[k]. and a is a positive number, let n = 7 and a = 2. Then what is E[Y ]?
Suppose a random variable X takes on the value of -1 or 1, each with the...
Suppose a random variable X takes on the value of -1 or 1, each with the probability of 1/2. Let y=X1+X2+X3+X4, where X1,....X4 are independent. Find E(Y) and Find Var(Y)
Let X be a discrete random variable that takes on the values −1, 0, and 1....
Let X be a discrete random variable that takes on the values −1, 0, and 1. If E (X) = 1/2 and Var(X) = 7/16, what is the probability mass function of X?
Provide P (X ≥ 2).  Let X be a random variable. The set of all the possible...
Provide P (X ≥ 2).  Let X be a random variable. The set of all the possible values that X takes is ={0,1,2,3} Suppose X is a binomial random variable with success probability p = 0.6. Provide P (X ≥ 2). Why n here is 3, not 4?
Let random variable X denote the time (in years) it takes to develop a software. Suppose...
Let random variable X denote the time (in years) it takes to develop a software. Suppose that X has the following probability density function: f(x)= 5??4 if 0 ≤ x ≤ 1, and 0 otherwise. b. Write the CDF of the time it takes to develop a software. d. Compute the variance of the number of years it takes to develop a software.
Let X be a random variable with probability mass function P(X =1) =1/2, P(X=2)=1/3, P(X=5)=1/6 (a)...
Let X be a random variable with probability mass function P(X =1) =1/2, P(X=2)=1/3, P(X=5)=1/6 (a) Find a function g such that E[g(X)]=1/3 ln(2) + 1/6 ln(5). You answer should give at least the values g(k) for all possible values of k of X, but you can also specify g on a larger set if possible. (b) Let t be some real number. Find a function g such that E[g(X)] =1/2 e^t + 2/3 e^(2t) + 5/6 e^(5t)
Question A random variable X takes the values –2, –1, 1 and 2 but you do...
Question A random variable X takes the values –2, –1, 1 and 2 but you do not know the probability distribution. Which of the following statements is true? The expected value could be –1.5 The expected value could be 3 The expected value must be one of the values –2, –1, 1 or 2 The expected value must lie between -1 and +1
Let X be a random variable such that P(X=k) = k/10, for k = 1,2,3,4. Let...
Let X be a random variable such that P(X=k) = k/10, for k = 1,2,3,4. Let Y be a random variable with the same distribution as X. Suppose X and Y are independent. Find P(X+Y = k), for k = 2,...,8.
We roll a die until we see each face at least once and let X be...
We roll a die until we see each face at least once and let X be the number of rolls needed for that to happen. What is the formula for the probability that X= 6? Give the exact value of E(X) as a simplified fraction.
Let X be a discrete random variable with the range RX = {1, 2, 3, 4}....
Let X be a discrete random variable with the range RX = {1, 2, 3, 4}. Let PX(1) = 0.25, PX(2) = 0.125, PX(3) = 0.125. a) Compute PX(4). b) Find the CDF of X. c) Compute the probability that X is greater than 1 but less than or equal to 3.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT