 # Questions and answer on expected value pdf

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## Expected Value Word Problems

Sample Statistics Exam Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. Organizing and summarizing data is called descriptive statistics. A group of 50 students is interviewed.

A pair of a die is thrown. The random variable, X, is defined as the sum of the obtained scores. Determine the probability distribution, the expected value, and variance. A player throws a die. If a prime number is obtained, he gains to win an amount equal to the number rolled times dollars, but if a prime number is not obtained, he loses an amount equal to the number rolled times dollars.

### Probability questions

Mathematica Stack Exchange is a question and answer site for users of Wolfram Mathematica. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Since these are distributions all sorts of functions work with them. For example, you can easily compute other expected values using Expectation. Sign up to join this community. The best answers are voted up and rise to the top. ## 1.6 – Expected Value

Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. Could someone please help me with these? I am a new member, so I had to hyperlink my pdf function.

Search Site:. For example, find the expected winnings from a state lottery ticket or a game at a fast-food restaurant. For example, compare a high-deductible versus a low-deductible automobile insurance policy using various, but reasonable, chances of having a minor or a major accident. For example, find the theoretical probability distribution for the number of correct answers obtained by guessing on all five questions of a multiple-choice test where each question has four choices, and find the expected grade under various grading schemes. Georgia Standards of Excellence Click to Expand. Unit 1. Unit 2. Specify an appropriate sample space to answer the following two questions. are the expected value and the standard deviation of your payoff? 9E-7 A fair die​.

### Expected Value Word Problems

Learn random variable classes, binomial probability distribution, uniform distribution test prep for online college classes. Practice merit scholarships assessment test, online learning expected value and variance quiz questions for competitive exams in business majors for online degrees. MCQ : The value which is obtained by multiplying the possible values of random variable with the probability of occurrence and is equal to weighted average is called. This means that over the long term of doing an experiment over and over, you would expect this average. If you repeat this experiment toss three fair coins a large number of times, the expected value of X is the number of heads you expect to get for each three tosses on average.

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