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as1 - Probability Statistics 230 Fall 2009 Assignment 1(Be...

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Unformatted text preview: Probability Statistics 230, Fall 2009 Assignment 1 (Be sure to print your name and ID number on your assignment) 1. Four numbers are chosen in order from 1, 2, 3, ,99, and arranged randomly in a row. Find the probability the numbers are in decreasing order if draws are made (a) without replacement. (b) with replacement. 2. Three cards are drawn, without replacement, from a standard deck. (a) Find the probabilities of O, 1, 2 and 3 spades. (b) , The proCess of picking 3 cards is repeated 10 times, with the 3 cards being replaced after each repetition. Find the probability, in the 10 repetitions, that (i) O spades never occurs (ii) 3 spades never occurs (iii) neither 0 spades nor 3 spades ever occurs (iv) both 0 spades and 3 spades occur ...
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