Unformatted text preview: How many ways if the only concern is who sits next to whom? 6. Ten balls are tossed into four boxes so that each ball is equally likely to fall into any box. What is the probability density function for the number of balls in the last box? 7. Ten percent of the words spoken by a politician are “Er”. How many words must he speak so that the probability of at least one “Er”is 0.95? 8. How many di±erent ways are there of putting the spots on a die?...
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 Spring '12
 D.S.G.Pollock
 Variance, Probability theory, probability density function, ten percent, series A

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