Mathematics

Mathematics, 15.07.2019 11:30, blondesaturn

Ajar contains 2 orange balls, 5 black balls, and 3 pink balls. event a= drawing a black ball on the first draw event b= drawing a pink ball on the second draw if two balls are drawn from the jar, one after the other without replacement, what is p(a and b) expressed in simplest form?

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Mathematics, 22.06.2019 10:00, simrankaurdhatt

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Mathematics, 01.08.2019 18:20, kelenski4

Abag contains 40 balls, some of which are red, some of which are yellow and the rest are black. therespectivelyprobabilities of drawing a red ball and a yellow ball at random from the bag are(i) fond the probability of drawing a black ball at random from the bag. (2x + 1) red balls and (x + 2) yellow balls are added to the bag while (x - 3) black balls are removed from the bag. the probability of drawing a yellow ball at random from the bag is now 3/7.find (ii) an expression, in terms of x, for the total number of balls in the bag now,(iii) the number of yellow balls in the bag now.

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Ajar contains 2 orange balls, 5 black balls, and 3 pink balls. event a= drawing a black ball on the...

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