Unformatted text preview: random with replacement, what is the probability that all three students like pizza? ANSWER: 729/1000 3. You flip a fair coin 20 times in a row and it comes up heads every single time. You flip the coin one more time. What is the probability of tails on this last flip? (FOR THE ANSWER: Ask your TA) 4. Each of two boxes contains both red and blue marbles. One marble is drawn at random from a box (each marble in the box has an equal chance of being drawn). If it is red , you win $1. If it is blue , you win nothing. You can choose between the 2 boxes. a) Box A contains 3 red marbles and 2 blue ones b) Box B contains 30 red marbles and 20 blue ones Which box gives you a better chance of winning? (FOR THE ANSWER: Ask your TA) END OF WEEK 1 EXERCISES...
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This note was uploaded on 03/01/2009 for the course STAT PSTAT 5A taught by Professor Gellar during the Spring '09 term at UCSB.
- Spring '09