Unformatted text preview: 2 Let Ybe arv wctlwlel amour ;; «ML X h a w m‘w‘A/dﬁz/aaopy we‘kk EXXY];§'. F3114 the, cart. my. ejﬁmfor a OUWL £4 of (45,217 3X0: 1‘0 CS'CJMmfe Y.  . A fair coin is tossed 1000 times. Estimate the probability that the number of heads is between 400 and 600. Estimate the probability that the number is between 500 and
550. should buy at the beginning of a 15week semester, so that with probability .99 he
does not run out of pens during the semester. ...
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 Spring '08
 LORENZELLI

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