A positive number n, not exceeding 100 is chosen in such a way that if n is less than or equal to 50, then probability of choosing n is p and if n > 50 then it is 3p. What is the probability of choosing a square number? - Study24x7
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logicalangle
266 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

A positive number n, not exceeding 100 is chosen in such a way that if n is less than or equal to 50, then probability of choosing n is p and if n > 50 then it is 3p. What is the probability of choosing a square number?

A

73p / 567

B

38p / 119

C

2p / 3

D

13p / 18

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  • Dipak Mishra
    • There are 7 square numbers less than 50 and 3 square numbers till 100. Hence net probability = 7/49 * p + 3/51 * 3p= 38p/119
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    Reply 01 Jan 1970 05:30 AM
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