The chance of a student passing an exam is 20 The...

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The chance of a student passing an exam is 20%. The chance of a student passing the exam and getting above 90% marks in it is 5%. Given that a student passes the examination, the probability that the student gets above 90% marks is

A. $$\frac{1}{{18}}$$

B. $$\frac{1}{4}$$

C. $$\frac{2}{9}$$

D. $$\frac{5}{{18}}$$

Answer: Option B

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