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प्रश्न
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A listing of all the outcomes of an experiment and the probability associated with each outcome is called
पर्याय
probability distribution
probability density function
attributes
distribution function
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उत्तर
probability distribution
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संबंधित प्रश्न
The time to failure in thousands of hours of an electronic equipment used in a manufactured computer has the density function
`f(x) = {{:(3"e"^(-3x), x > 0),(0, "eleswhere"):}`
Find the expected life of this electronic equipment
The probability density function of the random variable X is given by
`f(x) = {{:(16x"e"^(-4x), x > 0),(0, x ≤ 0):}`
find the mean and variance of X
A lottery with 600 tickets gives one prize of ₹ 200, four prizes of ₹ 100, and six prizes of ₹ 50. If the ticket costs is ₹ 2, find the expected winning amount of a ticket
Define Mathematical expectation in terms of discrete random variable
In a business venture a man can make a profit of ₹ 2,000 with a probability of 0.4 or have a loss of ₹ 1,000 with a probability of 0.6. What is his expected, variance and standard deviation of profit?
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Value which is obtained by multiplying possible values of a random variable with a probability of occurrence and is equal to the weighted average is called
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E[X – E(X)] is equal to
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`int_(-oo)^oo` f(x) dx is always equal to
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An expected value of a random variable is equal to it’s
What is the expected value of a game that works as follows: I flip a coin and if tails pay you ₹ 2; if heads pay you ₹ 1. In either case, I also pay you ₹ 0.50
