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Mathematics, 22.06.2019 00:30
The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?
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Mathematics, 22.06.2019 04:50
The random variable x has probability density function f (x) = k(−x²+5x−4) 1 ≤ x ≤ 4 or =0 1 show that k = 2/9 find 2 e(x), 3 the mode of x, 4 the cumulative distribution function f(x) for all x. 5 evaluate p(x ≤ 2.5). 6 deduce the value of the median and comment on the shape of the distribution.
Answers: 3
41,20,22,26,46 find the mean and median...
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