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14.Probability
medium
A person can kill a bird with probability $3/4$. He tries $5$ times. What is the probability that he may not kill the bird
A
$\frac{{243}}{{1024}}$
B
$\frac{{781}}{{1024}}$
C
$\frac{1}{{1024}}$
D
$\frac{{1023}}{{1024}}$
Solution
(c) Person has to miss all times probability of it will be ${\left( {\frac{1}{4}} \right)^5} = \frac{1}{{1024}}.$
Standard 11
Mathematics
