perplexus.info :: Probability : Bascule's Book

Bascule's Book (Posted on 2002-07-03)

Bascule is reading a book. What is the probability that the first digit of the page he is on is 1, 2, 3, 4 or 5?

a) obtain an expression
b) approximate a numerical value

See The Solution Submitted by Cheradenine

Rating: 2.7500 (8 votes)

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bascule

| Comment 31 of 41 |

(a) (8/9)*(7/9)*(6/9)*(5/9). q =.25 approx
(b) Since p/5+q/5=1. p/5 no of pages and q/5 probability then p/5 = 3/4

Posted by terry on 2002-12-20 02:24:40

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