Question: Find the variance and the standard deviation. The random variable X has the following probability distribution: Value of X 0 2 Probability 0.5 0.5 Find

Find the variance and the standard deviation. The random variable X has the following probability distribution:

Value of X 0 2 Probability 0.5 0.5 Find the variance σ2 X and the standard deviation σX for this random variable.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Business Statistics Communicating Questions!

Q:

4.71 Find the variance and the standard deviation. The random variable X has the following probability distribution: Value of X $0 3 Probability 0.4 0.6 Find the variance s2 X and the standard...

Q:

4.63 Find the variance and the standard deviation. A random variable X has the following distribution: X 2 1 0 1 Probability 0.1 0.2 0.4 0.3 Find the variance and the standard deviation for this...

Q:

view Exercises Which are distributions? Which of the following tables represent probability distributions? a. x P(x) b. x P(x) C. x P(x) d. x P(x) 3 0.35 0.27 0 0.02 2 0.10 0.20 0.45 0.34 0.07 5 0.18...

Q:

1) a. A random variable X has the following probability distribution: X O XA 5 XA 10 % A 15 X A 20 X A 25 X A P(X = x) 0.1 2m 0.2 0.1 0.04 0.07 a Find the value of m. (3 Marks] b. What is the...

Q:

Hi! Can you help with this problem and explain: 4. [0/1 Points] DETAILS PREVIOUS ANSWERS MINTROSTAT9 4.E.067. TUT. MY NOTES A The random variable X has the following probability distribution. Value...

Q:

Avoid rounding errors between steps. Round your final answers to 4 decimal places as needed. 4.1. A random variable X has the following probability distribution. x P(X = x) 2 0.2 4 0.2 6 0.3 8 0.3...

Q:

2. (13 pts) The random variable X has the following probability distribution: X f (x) 0 25 20 15 AWNH .30 10 a. What type of random variable are we having here? Discrete or continuous? b. Is this...

Q:

2. (13 pts) The random variable X has the following probability distribution: X f (x) 0 25 20 15 AWNH .30 10 a. What type of random variable are we having here? Discrete or continuous? b. Is this...

Q:

Help. The random variable x has the following probability distribution. 0.15 1 0.20 0.25 0.25 0.15 (a) Is this probability distribution valid? Explain and list the requirements for a valid...

Q:

Q6.A random variable X has the following probability distribution: X 0 1 2 3 4 5 6 7 P(X) 0 k 2k 2k 3k k 2 2k 2 7k 2 +k Find (a) k and hence evaluate P(0

Q:

The following data are monthly figures of factory production, in millions of units, from July 2004 through April 2007: 7.4, 6.8, 6.4, 6.6, 6.5, 6.0, 7.0, 6.7, 8.2, 7.8, 7.7, 7.3, 7.0, 7.1, 6.9, 7.3,...

Q:

Find data with the following properties: The estimated regression function for the data has a positive slope It is steep for small values of the independent variable but less steep for large values...

Q:

Sean filed his 2 0 2 4 income tax return on December 1 3 , 2 0 2 5 , paying the $ 1 8 , 0 0 0 amount due. On April 1 , 2 0 2 5 , Sean received a six - month extension of time in which to file his...

Q:

Explain the meaning of the term current liabilities.