The Expected
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3.3 Expected Values - Purdue University
www.stat.purdue.eduThe Expected Value of a Function Sometimes interest will focus on the expected value of some function h (X) rather than on just E (X). Proposition If the rv X has a set of possible values D and pmf p (x), then the expected value of any function h (X), denoted by E [h (X)] or μ
Probabilities: Expected value
people.cs.pitt.eduExpected value Investment problem: • You have 100 dollars and can invest into a stock. The returns are volatile and you may get either $120 with probability of 0.4, or $90 with probability 0.6. • What is the expected value of your investment? • M. Hauskrecht Expected value Investment problem: • You have 100 dollars and can invest into a ...
Practice with Expected Value and Fair Games Answers
www.danielsroar.weebly.comexpected value = (13/52)(10) + (9/52)(8) + (30/52)(-6) = $.42 expected value is you win $.42, so you want to play 2. The world famous gambler from Philadelphia, Señor Rick, proposes the following game of chance. You roll a fair die. If you roll a 1, then Señor Rick pays you $25. If you roll a 2, Señor Rick pays you $5.
Calculating Expected Value - Michigan State University
math.msu.eduExpected Value - Example • The game costs $2 to play. You are dealt a poker hand. If it contains an Ace you get your $2 back, plus another $1. What is the (expected) value of the game to you? p(no Ace) = 0.659; p(at least one A) = 0.341 Outcomes Probability Payoff to you At least one ace 0.341 $1 + ($2 - $2) No aces 0.659 -$2
United Nations Fact Sheet on Climate Change - Africa is ...
unfccc.intexpected impacts of global warming. A number of adaptation projects have been started in Africa to address a range of cli-mate change impacts. These include projects on incorporating climate change in water resources management in Tanzanian, improving food security in …
Expected Value, Mean, and Variance Using Excel
documents.saintleo.eduExpected Value, Mean, and Variance Using Excel This tutorial will calculate the mean and variance using an expected value. In this example, Harrington Health Food stocks 5 loaves of Neutro-Bread. The probability distribution has been entered into the …
Expected Value and Standard Dev. - homepages.math.uic.edu
homepages.math.uic.eduExpected Value and Standard Dev. Expected Value of a random variable is the mean of its probability distribution If P(X=x1)=p1, P(X=x2)=p2, …n …
Expected Value, Variance and Covariance
utstat.toronto.eduExpected ValueVarianceCovariance Conditional Expectation The idea Consider jointly distributed random variables Xand Y. For each possible value of X, there is a conditional distribution of Y. Each conditional distribution has an expected value (sub-population mean). If you could estimate E(YjX= x), it would be a good way to predict Y from X.
EXPECTED USEFUL LIFE TABLE - Wa
www.commerce.wa.govEXPECTED USEFUL LIFE TABLE SITE SYSTEMS FAMILY ELDERLY ACTION = REPLACE 50+ = "long-lived" systems CONSTR. CONSTR. UNLESS NOTED Basketball Courts 15 25 Built Improvements (playgrounds/site furniture) 20 20 Catch Basin 40 40 Cold Water and Sewer Lines 40 40 Compactors 15 15 DHW/Supply/Return 30 30 Dumpsters 10 10 Dumpster Enclosures 10 …
Expected Value and the Game of Craps
www.dehn.wustl.eduExpected Value and the Game of Craps Blake Thornton Craps is a gambling game found in most casinos based on rolling two six sided dice. Most players who walk into a casino and try to play craps for the rst time are overwhelmed by all the possible bets. The goal here is to understand what these bets are and how the casino makes money.