the following table is the joint probability mass function of two discrete random variables X and Y

Fantastic news! We've Found the answer you've been seeking!

Question:

the following table is the joint probability mass function of two discrete random variables X and Y x=-1 x=0 x=1 x=2 y=-1 0.2 0.1 0.1 0.1 y=1 0.2 0.1 0.1 0.1

1.find E ( X ) and var ( X ) 2. find E(Y 2) 3. Are X and Y independent of each other?

Posted Date: May 18, 2024 09:08 PM

See More Questions

Three partners. Ankamah, Kofi and David share profit and losses in the ratio 5: 3:2 for the year ending 31/12/2016. The profit generated from either business is $600,000. Partners' contributions are...
If R = r ? r' and? = |R|, show that where ? and ?? are del operators with respect to (x,?y, z)?and (x', y',?z), respectively. R
Surrogacy is a method of reproduction whereby a woman agrees to give birth to a child she will not raise but will instead hand over to a contracted party.
The futures market can be used to guard against interest rate and input price risk through the use of hedging. If the firm were concerned that interest rates will rise, it would use a short hedge, or...
Income statement and balance sheet data for The Athletic Attic are provided below. Required: 1. Calculate the following risk ratios for 2015 and 2016: a. Receivables turnover ratio. b. Inventory...
Example 5 Palaeontologists can estimate the size of a dinosaur from incomplete skeletal remains. For a carnivorous dinosaur, the relationship between the length, s, in metres, of the skull and the...
Copr. Goedl Jenn Manufacturing Co . currently produces a product in house. Outsourcing Unlimited offered to sell Jenn the product for $ 1 . 7 5 per unit. The $ 1 . 7 5 cost to purchase from...
In this case, Evergreen is most likely a: a. Foreseeable third party. b. Foreseen third party. c. Primary beneficiary. d. Client.
a. Indicate the information that may be used by the auditor to estimate the expected population deviation rate, b. What effect does this factor have on sample size?
How can shares that are not callable be reacquired by a company? Why must corporations exercise caution in these transactions?
Merck & Co., Inc., a research-based pharmaceutical company: a. Dominates the market for generic substitutes. b. Offers a full line of prosthetic replacement limbs. c. Shares risk through strategic...
a. Define the term tolerable deviation rate and indicate the factors that should be considered in deciding on the tolerable rate, b. What effect does this rate have on sample size?
Use the following scatter plots to answer the questions. Write the letter of the graph that you think best matches the provided r-value. (2 points) a. Which scatter plot indicates a perfect negative...
A consumer magazine is evaluating five brands of trash compactors for their effectiveness in reducing the volume of typical household products that are discarded. In the experiment, each block...
No, interest rate parity implies that an investment in the U. S. with the same risk as a similar investment in a foreign country should have the same return. Interest rate parity is expressed as: \[...
A Eurodollar is a dollar deposit in a foreign bank, normally a European bank. The foreign bank need not be owned by foreigners--it only has to be located in a foreign country. For example, a Citibank...
Taking into account differential labor costs abroad, transportation, tax advantages, and so forth, U. S. corporations can maximize long-run profits. There are also nonprofit behavioral and strategic...

the following table is the joint probability mass function of two discrete random variables X and Y

Question:

Expert Answer:

Students also viewed these mathematics questions