samplemid1

# samplemid1 - AMS507 Introduction to Probability. First...

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AMS507 Introduction to Probability. First Midterm. October 13, 2009 Your name: Your ID number: You shall receive 10 points for each of the following 10 question. The total will be divided by 10. The maximum score is 10. 1. How many hands of 13 cards dealt from a normal shuﬄed pack of 52 cards contain exactly two kings and one ace. 2. If there are no restrictions on where the digits and letters are places. How many 8-place license plates consisting of 5 letters and 3 digits are possible if no repetitions of letters or digits are allowed? 1

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n th throw: (a) a head appears for the ﬁrst time? (b) the number of heads equals the number of tails? 4. Six balls are to be randomly chosen from an urn containing 8 red, 10 green, and 12 blue balls. Given that no red balls are chosen, what is the probability that there are exactly 2 green balls among the 6 chosen? 2
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## This note was uploaded on 01/31/2011 for the course AMS 507 taught by Professor Feinberg,e during the Spring '08 term at SUNY Stony Brook.

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samplemid1 - AMS507 Introduction to Probability. First...

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