SOLUTION: The SAPS reports that 95% of mail sent to someone in the same city is delivered within two days of the time of mailing. Six letters are randomly sent to different locations. What
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Question 420843: The SAPS reports that 95% of mail sent to someone in the same city is delivered within two days of the time of mailing. Six letters are randomly sent to different locations. What is the probability that three or four of these letters arrive within two days?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
, to 4 decimal places.
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