SOLUTION: 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 le

Algebra ->  Probability-and-statistics -> SOLUTION: 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 le      Log On


   



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.
Answer by greenestamps(13330) About Me  (Show Source):
You can put this solution on YOUR website!


Re-post....

Required information (the number of letter he sent) is missing from the statement of the problem.