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If x, y can take values from the set (1, 2, 3, 4), find the...

Mathematics
JAMB 1998

If x, y can take values from the set (1, 2, 3, 4), find the probability that the product of x and y is not greater than 6

  • A. \(\frac{5}{8}\)
  • B. \(\frac{5}{16}\)
  • C. \(\frac{1}{2}\)
  • D. \(\frac{3}{8}\)
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Correct Answer: Option A
Explanation

\(\begin{vmatrix}& \hline 1 & 2 & 3 & 4\\\hline 1 & 1 & 2& 3 & 4\\2 & 2& 4 & 6 & 8\\ 3& 3& 6& 9 & 12\\4 & 4 & 8 & 12& 16\end{vmatrix}\)

p (product of x, and y \(\leq\) 6) = \(\frac{10}{16}\)

= \(\frac{5}{8}\)


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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts