document.write( "Question 1177185: the probability that a letter comes to addressee within 2 days is .7. A student sent applications for a job. What is the probability that exactly 2 will come within 2 days b) at least 2 will come within 2 days. \n" ); document.write( "
Algebra.Com's Answer #805466 by greenestamps(13330)\"\" \"About 
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\n" ); document.write( "Required information (the number of letter he sent) is missing from the statement of the problem.

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