Find the mean, variance, and standard deviation of the random variable. x .... P(x) 0 ..... 0.01
Question:
x .... P(x)
0 ..... 0.01
1 ..... 0.09
2 ..... 0.30
3 ..... 0.20
4 ..... 0.20
5 ..... 0.10
6 ..... 0.10
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 72% (11 reviews)
EX ...View the full answer
Answered By
Vivek Sagar
Vivek sagar,have recently cleared my M.A in economics from Delhi School of Economics (university of Delhi).before that i have done my graduation in economics from Rajdhani College (university of Delhi),with good academic score.
I have 2 year of experience of teaching in economics at local level.i had work with Chegg (as an expert) ,there in last 6 months i have solved 2500+ question with very high acceptance rate. So knows how to deal questions and home work assignments.
Like to work with data, so i have the required knowledge of Stata, R and excel. Like to work in reas related to Economics, for example Microeconomics, Macroeconomics, Industrial Organisation, Game theory, Econometrics and International trade.
How i try to teach my students?
Try to explain the concepts of economics with the help of close real life Examples, So that they can relate things what they are studying to what that things are in real world.
0.00
0 Reviews
10+ Question Solved
Related Book For
Complete Business Statistics
ISBN: 9780077239695
7th Edition
Authors: Amir Aczel, Jayavel Sounderpandian
Question Posted:
Students also viewed these Statistics questions
-
Enthalpy of vaporization of a liquid is 30 kJ and its normal bolling point is 300 K. Calculate the third law entropy (in J/K/mol) of the substance at 350 K, when 1 mole of the liquid at 300 K is...
-
Mean variance and standard deviation: A random variable X has the following probability distributions a. Find the mean of X. b. Find the variance of X. c. Find the standard deviation of X. r 6 78 9...
-
Find the variance and standard deviation of the probability distribution constructed in Try It Yourself 2. a. For each value of x, find the square of the deviation from the mean and multiply that...
-
Social welfare is maximized when O Total social benefits have been maximized O total social costs have been minimized O total social costs equal total social benefits O marginal social costs equal...
-
An economy has zero net exports. Otherwise, it is identical to the economy described in Problem 7. a. Find short-run equilibrium output. b. Economic recovery abroad increases the demand for the...
-
Refer to the situation described in BE 41. Using the account balances, prepare a multiple-step income statement for 2021. An example of a multiple-step income statement can be found in Illustration...
-
How do we apply structural modeling to design?
-
Kahn has just completed a review of its job- costing system. This review included a detailed analysis of how past jobs used the firm's resources and interviews with personnel about what factors drive...
-
Ethical Finance brings Value to Society, do you think Islamic finance also brings value to society? What are the Islamic social financing channels?
-
The following information relates to Royale Real Estate Agency. Oct. 1 James Royale begins business as a real estate agent with a cash investment of $17,000. 2 Hires an administrative assistant. 3...
-
Find the expected value of the random variable. Also find the variance of the random variable and its standard deviation. XP(x) 0 ....0.3 1 ....0.2 2 ....0.2 3 ....0.1 4 ....0.1 5 ....0.1
-
Find the mean, variance, and standard deviation of the number of cars sold per day, using the probability distribution. XP(x) 0 .....0.1 1 .....0.1 2 .....0.2 3 .....0.2 4 .....0.3 5 .....0.1
-
Explain why it is preferable to separate a dilute mixture of benzoic acid in water by solvent extraction rather than by distillation.
-
The four wheels of a car are connected to the cars body by spring assemblies that let the wheels move up and down over bumps and dips in the road. When a 68 kg (about 150 lb) person sits on the left...
-
A woman is pushing a load in a wheelbarrow, as in Figure P8.44. The combined mass of the wheelbarrow and the load is 110 kg, with a center of gravity 0.25 m behind the axle. The woman supports the...
-
Consider the wage equation used in Example 10.5. Suppose we have a variable designed to measure ABILITY. This variable is an index created using 10 different tests of cognitive ability. Using data on...
-
A water pipe in a building delivers 1000 liters (with mass 1000 kg) of water per second. The water is moving through the pipe at 1.4 m/s. The pipe has a 90 bend, and the pipe will require a...
-
The data file stockton5_small contains observations on 1200 houses sold in Stockton, California, during 1996-1998. [Note: The data file stockton5 includes 2610 observations.]. Scale the variable...
-
A footwear manufacturer acquired a machine on 1 July 2008 for 180,000 and depreciated it annually at 10% of cost. Being an item of a specialised nature the machine has no market. On 1 July 2011 it...
-
Integration is a vital concept when applied in one?s life. Integrating your life means making ideal choices. Perfect choices on the other go in line with quality decisions. Quality decisions lead to...
-
According to Chebyshevs theorem, how many standard deviations from the mean would include at least 80% of the values?
-
On a certain day the average closing price of a group of stocks on the New York Stock Exchange is $35 (to the nearest dollar).If the median value is $33 and the mode is $21, is the distribution of...
-
A local hotel offers ballroom dancing on Friday nights. A researcher observes the customers and estimates their ages. Discuss the skewness of the distribution of ages if the mean age is 51, the...
-
4 Smallman's Garage uses standards to plan and control labor time and expense. The standard time for an engine tune-up is 3.75 hours. and the standard labor rate is $15 per hour. Last week, 26...
-
For Kosko Company, actual sales are $1.218,000 and break-even sales are $962,220. Compute (a) the margin of safety in dollars and (b) the margin of safety ratio. Margin of safety Margin of safety...
-
Sheridan Corp. had total variable costs of $224.200 total hied costs of $143500, and total revenues of $380.000. Compute the required sales in dollars to break even
Study smarter with the SolutionInn App