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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
For the random variable X with the given probability mass function as below, find the mean and variance.
`f(x) = {{:((4 - x)/6, x = 1"," 2"," 3),(0, "otherwise"):}`
For the random variable X with the given probability mass function as below, find the mean and variance.
`f(x) = {{:(2(x - 1), 1 < x ≤ 2),(0, "otherwise"):}`
Two balls are drawn in succession without replacement from an urn containing four red balls and three black balls. Let X be the possible outcomes drawing red balls. Find the probability mass function and mean for 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
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A random variable X has binomial distribution with n = 25 and p = 0.8 then standard deviation of X is
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If P(X = 0) = 1 – P(X = 1). If E[X] = 3 Var(X), then P(X = 0) is
The following table is describing about the probability mass function of the random variable X
| x | 3 | 4 | 5 |
| P(x) | 0.2 | 0.3 | 0.5 |
Find the standard deviation of x.
State the definition of Mathematical expectation using continuous random variable
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Given E(X) = 5 and E(Y) = – 2, then E(X – Y) is
Prove that V(aX) = a2V(X)
