Question

A random variable x has this probability distribution: x 0 1 2 3 4 5 p(X)...

A random variable x has this probability distribution:

x

0

1

2

3

4

5

p(X)

0.1

0.3

0.4

0.1

?

0.05

Find s

1.

1.19

2.

3.13

3.

4.03

4.

1.5

Homework Answers

Answer #1

Ans 1.19

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A random variable has the probability distribution table as shown. Calculate P(X≤1). x -3 | -2...
A random variable has the probability distribution table as shown. Calculate P(X≤1). x -3 | -2 | -1 | 0 | 1 P (X = x) | - | - | 0.3 | 0.1 | 0.1
1. Given a discrete random variable, X , where the discrete probability distribution for X is...
1. Given a discrete random variable, X , where the discrete probability distribution for X is given on right, calculate E(X) X P(X) 0 0.1 1 0.1 2 0.1 3 0.4 4 0.1 5 0.2 2. Given a discrete random variable, X , where the discrete probability distribution for X is given on right, calculate the variance of X X P(X) 0 0.1 1 0.1 2 0.1 3 0.4 4 0.1 5 0.2 3. Given a discrete random variable, X...
A random variable x has the following probability distribution. Determine the standard deviation of x. x...
A random variable x has the following probability distribution. Determine the standard deviation of x. x f(x) 0 0.05 1 0.1 2 0.3 3 0.2 4 0.35 A random variable x has the following probability distribution. Determine the expected value of x. x f(x) 0 0.11 1 0.04 2 0.3 3 0.2 4 0.35 QUESTION 2 A random variable x has the following probability distribution. Determine the variance of x. x f(x) 0 0.02 1 0.13 2 0.3 3 0.2...
Assume the random variable X has a binomial distribution with the given probability of obtaining a...
Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, given the number of trials and the probability of obtaining a success. Round your answer to four decimal places. P(X>4), n=7, p=0.4 Find the standard deviation of the following data. Round your answer to one decimal place. x 1 2 3 4 5 6 P(X=x) 0.1 0.1 0.2 0.1 0.2 0.3
The probability distribution of a random variable X is given. x     −4         −2         0         2 &nbsp
The probability distribution of a random variable X is given. x     −4         −2         0         2         4     p(X = x) 0.2 0.1 0.3 0.2 0.2 Compute the mean, variance, and standard deviation of X. (Round your answers to two decimal places.) Find mean, variance, and standard deviation
Suppose X has probability distribution x: 0 1 2 3 4 P(X = x) 0.2 0.1...
Suppose X has probability distribution x: 0 1 2 3 4 P(X = x) 0.2 0.1 0.2 0.2 0.3 Find the following probabilities: a. P(X < 2) b. P(X≤2 and X<4) c. P(X≤2 and X≥1) d. P(X=1 or X≤3) e. P(X=2 given X≤2)
Consider a random variable X with the following probability distribution: P(X=0) = 0.08, P(X=1) = 0.22,...
Consider a random variable X with the following probability distribution: P(X=0) = 0.08, P(X=1) = 0.22, P(X=2) = 0.25, P(X=3) = 0.25, P(X=4) = 0.15, P(X=5) = 0.05 Find the expected value of X and the standard deviation of X.
Suppose that the random variable X has the following cumulative probability distribution X: 0 1. 2....
Suppose that the random variable X has the following cumulative probability distribution X: 0 1. 2. 3. 4 F(X): 0.1 0.29. 0.49. 0.8. 1.0 Part 1:  Find P open parentheses 1 less or equal than x less or equal than 2 close parentheses Part 2: Determine the density function f(x). Part 3: Find E(X). Part 4: Find Var(X). Part 5: Suppose Y = 2X - 3,  for all of X, determine E(Y) and Var(Y)
The following table denotes the probability distribution for a discrete random variable X. x -2 0...
The following table denotes the probability distribution for a discrete random variable X. x -2 0 1 2 9 p(x) 0.1 0.3 0.2 0.3 0.1 The standard deviation of X is closest to Group of answer choices 3.74 4.18 2.77 7.65 11
If X is a random variable with a probability distribution that is given in the following...
If X is a random variable with a probability distribution that is given in the following table where a and b are unknown constants. X -1 0 a 3 b P(X = x) 0.1 0.15a 0.2 0.03b 0.4 (a) Find a and b such that E(5 + 100X) = 260. (b) Find the variance of X.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT