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प्रश्न
Choose the correct alternative:
A discrete probability function p(x) is always
विकल्प
non-negative
negative
one
zero
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उत्तर
non-negative
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संबंधित प्रश्न
The discrete random variable X has the probability function
| X | 1 | 2 | 3 | 4 |
| P(X = x) | k | 2k | 3k | 4k |
Show that k = 0 1
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| Value of X = x |
0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
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Choose the correct alternative:
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The probability density function of a continuous random variable X is
f(x) = `{{:(a + bx^2",", 0 ≤ x ≤ 1),(0",", "otherwise"):}`
where a and b are some constants. Find Var(X)
