During a war between country A and country B, the troops of country A fire B1 and B2 bombs, country B is divided into 20 states, throughout the war the bombs have hit 14 regions with a total of 500 bombs B1 and B2. a) If I select a state at random, find the probability that it has been hit by at least one bomb. b) If I select a state at random, calculate the probability that it has not been hit by any bomb. C) How many regions can be hit twice?

During a war between country A and country B, the troops of country A fire B1 and B2 bombs, country B is divided into 20 states, throughout the war the bombs have hit 14 regions with a total of 500 bombs B1 and B2. a) If I select a state at random, find the probability that it has been hit by at least one bomb. b) If I select a state at random, calculate the probability that it has not been hit by any bomb. C) How many regions can be hit twice?

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.CR: Chapter 12 Review

Problem 83CR

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