Question
Download Solution PDFA natural number x is chosen at random from the first 100 natural numbers. What is the probability that x2 + x > 50?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
⇒n(S) = 100
Numbers from 7 to 100 satisfy x2 + x > 50
Then, n(E)= 100 – 6 = 94
⇒ \(P(E) = \frac{n(E)}{n(S)} = \frac{94}{100} = \frac{47}{50}\)
∴ Option (b) is correct
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