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a circular wheel with numbers 1 to 20 on...

a circular wheel with numbers 1 to 20 on its surface is rolled twice. What is the probability of getting two 13's ?

A

`(1)/(20)`

B

`(1)/(40)`

C

`(1)/(400)`

D

`(1)/(200)`

Text Solution

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The correct Answer is:
C
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KUMAR PRAKASHAN-PROBABILITY-Multiple Choice Questions (MCQs)
  1. Complementary events of E and F are E' and F' respectively if 0 lt P(...

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  2. Two cards are drawn in succession from a standard well shuffled pack o...

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  3. a circular wheel with numbers 1 to 20 on its surface is rolled twice. ...

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  4. Let A and B be two events such that P(A)= 0.4, P(A cup B)= 0.7 and P(B...

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  5. A problem in mathematics is given to three students A, B, C and their ...

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  6. The probability that A speaks truth is (4)/(5), while this probability...

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  7. A company has three plants at which it produces a certain item. 30% ar...

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  8. A problem of mathematics is given to three students and probability of...

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  9. Let E(1), E(2), E(3), ....,E(n) be independent events with respective ...

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  10. Two cards are drawn at random from the well shuffled pack of 52 cards....

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  11. If A and B are two independent events such that P(A)= (1)/(2), P(B)= (...

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  12. A small town has one fire engine and one ambulance available for emerg...

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  13. If A and B are two independent events such that P(A cap B)= (3)/(25) ...

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  14. A and B are independent events P(A cap B)= 0.5 and P(A)= 0.2 then P(B)...

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  15. A purse contains 6 Silver coins and 3 Gold coins. Another purse contai...

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  16. A fair coin is tossed n times, then what is the probability that H (He...

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  17. A building has two lifts. L(1) and L(2) are events when lifts are work...

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  18. Suppose A and B are two persons. The probability that A does the job i...

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  19. Three machines A, B and C produce respectively 30%, 50% and 20% of the...

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  20. Let X be the random variable with following probability distribution. ...

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