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The mean or expected value of the distribution of a discrete random variable is?
30.47
Is the mean of probability distribution is called its expected value?
No. The mean is the expected value of the random variable but you can also have expected values of functions of the random variable. If you define X as the random variable representing the result of a single throw of a fair die, the expected value of X is 3.5, the mean of the probability distribution of X. However, you play a game where you pay someone a certain amount of money for each throw of the die and the other person pays you your "winnings" which depend on the outcome of the throw. The variable, "your winnings", will also have an expected value. As will your opponent's winnings.
How did scientists come up with the length of 1 meter?
A scientist sawed a stick to a random length and called it one metre.
Does a random largely selected sample always give a better estimate of the population than a randomly selected sample?
A larger random sample will always give a better estimate of a population parameter than a smaller random sample.
What does it mean when the standard error value is smaller than the standard deviation?
It simply means that you have a sample with a smaller variation than the population itself. In the case of random sample, it is possible.
What is the meaning of random?
Random means not expected. Something that is unpredictable, has no pattern or objective
Limitation of expected value in decision making?
Expected value of a random variable requires that the random variable can be repeated in experiment indefinitely. If the random variable can only be repeated finite times, e.g. once, there is an inadequacy of the expected value principle for a decision maker.
Is the expected value of a discrete random variable equal to the mean of the random variable?
yes?
The mean or expected value of the distribution of a discrete random variable is?
30.47
What are the disadvantages of random sampling?
used for a smaller population
How do you win random jackpot on scr888?
buy smaller
Is the mean of probability distribution is called its expected value?
No. The mean is the expected value of the random variable but you can also have expected values of functions of the random variable. If you define X as the random variable representing the result of a single throw of a fair die, the expected value of X is 3.5, the mean of the probability distribution of X. However, you play a game where you pay someone a certain amount of money for each throw of the die and the other person pays you your "winnings" which depend on the outcome of the throw. The variable, "your winnings", will also have an expected value. As will your opponent's winnings.
What is Double random length for seamless pipe?
around 12m long
What is the correlation length and how does it impact the behavior of a system?
The correlation length is a measure of how far apart particles or events in a system are related to each other. A longer correlation length means that the system's behavior is more coordinated and predictable, while a shorter correlation length leads to more random and chaotic behavior. In general, a larger correlation length can indicate more order and structure in a system, while a smaller correlation length can suggest more disorder and randomness.
Is the expected value of any random variable just the average of the values?
The expected value is the long-run average value of repetitions of the experiment it represents.
What would you do if a random friend asked you to star in their documentary?
What role are you expected to play. If it is a positive role accept it.
How did scientists come up with the length of 1 meter?
A scientist sawed a stick to a random length and called it one metre.
