Urns Pink

Posted July 24, 2011 By Patrick

urns pink
another question? in math ...?

An urn contains balls of pink and white. Five balls are drawn at random from the urn in succession, with replacement. That is, after each draw, the selected ball is returned to the ballot box. What is the probability that all balls drawn from the urn are pink? Round your answer to three decimal places to get the correct answer would be i 16.9 x 5.1? otherwise show step by step how. please and thank you:) 9 and 7 roses white

There is no way of knowing if you tell us the number of balls in the polls, and many of them are pink, and how many are white. However, say, for example, there are 5 balls of pink and 5 white balls. The odds of picking a ball rose 5 / 10 as there are 5 balls and pink balls 10 in total. Because after each pick up the ball is replaced, the same opportunity to pick up a pink ball to take the second, third, fourth and fifth. To summarize: the first option = up 5 / 10 = 1 / 2 second choice pink = 10/05 = 1 / 2 a third-pink = 05/10 = 1 / 2 option 4e pink = 5 / 10 = half of the fifth selection pink = 5.10 = 1 / 2 odds to collect all in a row, are: (1 / 2) ^ 5 = 1 / 32 = 0.03125 = 0.031 (rounded to three decimal places) Remember, however - that's the example I gave. If states question, there are a total of 16 bullets and 9 are roses, then the answer is simple (9 / 16) ^ 5, then work it. As I mentioned at first, you need to know the relationship of pink balls in total balls in the urn.

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