SOLUTION: Edwin and Derek are archers. The probability that Edwin successfully hits a target is 0.7. The probability that Derek successfully hits a target is 0.6. Whenever they both shoot at

Question 281096: Edwin and Derek are archers. The probability that Edwin successfully hits a target is 0.7. The probability that Derek successfully hits a target is 0.6. Whenever they both shoot at a target, what is the probability that:
a) only one of them is successful
b) at least one of them is successful?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Prob that both will miss=0.3 * 0.4=.12
Prob that both will hit = 0.7 * 0.6 = .42
a) 1-(.42+.12)=.46 prob only one of them is successful.
b) 1-.12=.88 prob at least one is successful.
.
Ed

RELATED QUESTIONS
Derek is 6/5 as tall as Edwin and 5/7 as tall as George . What is the ratio of Derek's... (answered by jim_thompson5910)

three missiles A B and C are fired the probability that A hits the target 0.5 ,B hits the (answered by ikleyn,Theo)

Derek is playing a board game with three number cubes. What is the probability of Derek... (answered by Fombitz)

Two men fire at a target. The probability that Alan hits the target is � and the... (answered by Boreal)

3 hunters have probabilities 2/5, 1,2 and 3/4 of hiting a target. Find the Probability... (answered by ikleyn)

The probability that robien hits the target is 0.6. The probability that John hits the... (answered by stanbon)

The probability that an archer hits a target on a given shot is .7. If five shots are... (answered by ikleyn)

The probability that Robin Hood hits a target is 5/6. The probability that Little John... (answered by stanbon)