91. Rupesh is known to hit a target in 5 out of9 shots whereas David is known to hit the same target in 6 out of 11 shots. What is the probability that the target would be hit once they both try?a) 79/99 b) 25/99c) 32/99 d) None
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Answered by
8
Answer:
79/99
Step-by-step explanation:
this is the answer
Answered by
12
a)79/99
Step-by-step explanation:
R=p(a)=5/9
D=p(b)=6/11
P(AnB)=P(A)×P(B)
=5/9×6/11
=30/99
P(AuB)=P(A)+P(B)-P(AnB)
=5/9+6/11-30/99
=109/99-30/99
=79/99
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