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imjustdumbsis
30.08.2019 •
Mathematics
Let the random variable x have a discrete uniform distribution on the integers 8 ≤ x ≤ 10. determine the mean, μ, and variance, σ2, of x.
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Ответ:
Therefore the probability density function (shown in the figure) is
P(x) = 1/3 = 1/3 for x = 8, 9, 10
= 0 otherwse
The mean is μ = 1/3.
The variance is
σ² = Σp(x) (x- μ)²
Because x - μ = 0 for x = 8,9,10, therefore
σ² = 0
μ = 1/3
σ² = 0
Ответ:
Step-by-step explanation:
Divide 212 by 18, and the result is how many pages you will get. 11.777 (repeat) is the answer, rounded to 12 pages.
thanx
hope it help