SOLUTION: Occasionally an airline will lose a bag. A small airline has found it loses an average of 4.7 bags each day. Find the probability that, on a given day, (a) The airline looses ex

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Question 1197610: Occasionally an airline will lose a bag. A small airline has found it loses an average of 4.7 bags each day. Find the probability that, on a given day,
(a) The airline looses exactly eleven bags.

(b) The airline looses fewer than nine bags.

(c) The airline looses more than nine bags.

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
  Poisson Distribution:  4.7 bags/day
Using TI or similarly an inexpensive calculator like an Casio fx-115 ES plus

 Find the probability that, on a given day:
(a) The airline looses exactly eleven bags. P(x=11) = .0056

(b) The airline looses fewer than nine bags. P(x≤ 9) = .9778

(c) The airline looses more than nine bags. 1- P(x≤ 9) = 1 - .9778 = .0222


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