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Get Full Access to Elementary Statistics - 12 Edition - Chapter 4.6 - Problem 40bb
Get Full Access to Elementary Statistics - 12 Edition - Chapter 4.6 - Problem 40bb

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# Oldie but Goodie A secretary types 10 different letters

ISBN: 9780321836960 18

## Solution for problem 40BB Chapter 4.6

Elementary Statistics | 12th Edition

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Problem 40BB

Problem 40BB

Oldie but Goodie A secretary types 10 different letters and addresses 10 corresponding envelopes. If he is in a hurry and randomly inserts the letters into the envelopes, what is the probability that exactly 9 of the letters are in the correct envelopes? (Based on MathematicsMagazine, Vol. 23, No. 4, 1950)

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Solution  40BB

= 3,628,800

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