SOLUTION: (1) A bag contains 2 natural oranges and 3 artificial oranges. Each of four persons, A, B, C, and D, in the order named, draws one orange and does not replace it. The first to draw

Question 1027551: (1) A bag contains 2 natural oranges and 3 artificial oranges. Each of four persons, A, B, C, and D, in the order named, draws one orange and does not replace it. The first to draw a natural orange receives N20. What is the probability that A, B, and C lose and D wins
1/10
2/5
7/11
1/4
(2) 4 different Biology books, 6 different CIT books and 2 different Mathematics books are to be arranged on a shelf. How many different arrangements are possible if only the Biology books must stand together?
8709120
9260004
8000002
5650000
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
1)

Since there are no artificial oranges left.

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.
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2) Treat the biology books as one unit so then there are 9 books to choose from.

However within the four biology books unit, the biology books can be arranged in different ways so,

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