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प्रश्न
Choose the correct alternative:
A set of numerical values assigned to a sample space is called
विकल्प
random sample
random variable
random numbers
random experiment
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उत्तर
random variable
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संबंधित प्रश्न
Suppose X is the number of tails occurred when three fair coins are tossed once simultaneously. Find the values of the random variable X and number of points in its inverse images
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What do you understand by continuous random variable?
Explain the terms probability distribution function
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If we have f(x) = 2x, 0 ≤ x ≤ 1, then f(x) is a
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Which one is not an example of random experiment?
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The probability density function p(x) cannot exceed
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The height of persons in a country is a random variable of the type
Let X be a random variable with a cumulative distribution function.
F(x) = `{{:(0",", "if" x < 0),(x/8",", "if" 0 ≤ x ≤ 1),(1/4 + x/8",", "if" 1 ≤ x ≤ 2),(3/4 + x/12",", "if" 2 ≤ x < 3),(1",", "for" 3 ≤ x):}`
Compute: (i) P(1 ≤ X ≤ 2) and (ii) P(X = 3)
Consider a random variable X with p.d.f.
f(x) = `{(3x^2",", "if" 0 < x < 1),(0",", "otherwise"):}`
Find E(X) and V(3X – 2)
