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Unformatted text preview: 5. How many 4letter words can be formed from the alphabet if we require (a) The 2nd letter to be a vowel (a, e, i, o, u)? (b) Exactly one vowel? (c) At least one vowel? 6. As if you have nothing better to do, toss a die 12000 times. (I suppose you can do this in Excel.) How many times do each of the numbers come up? Approximately how many would you expect? 2 7. As if you still have nothing better to do, toss two dice 5000 times. How many times do each of the possible sums come up? Approximately how many would you expect? 8. Toss a coin until you see two H’s in a row. How many tries did it take? Now toss a coin until you see the sequence HT. How long did that take? Thoughts? 9. (Bonus) Three dice are tossed. What is the probability that the same number appears on exactly two of the three dice?...
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 Spring '07
 goldsman
 Logic, Probability theory, Following, following line segments

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