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A number x is chosen at random from the first 100 natural numbers. Let A be the event of numbers which satisfies `((x-10)(x-50))/(x-30)ge0`,then P(A) is:

A

`0.20`

B

`0.51`

C

`0.71`

D

`0.70`

Text Solution

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The correct Answer is:
C
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PREMIERS PUBLISHERS-INTRODUCTION TO PROBABILITY THEORY-SOLUTION TO EXERCISE 12.5
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  15. If a and b are chosen randomly from the set {1,2,3,4} with replacement...

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  16. It is given that the events A and B are such that P(A) = 1/4, P (A//B)...

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