Mathematics 2014 JAMB Past Questions

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Find the median of 5,9,1,10,3,8,9,2,4,5,5,5,7,3 and 6

A. 6
B. 5
C. 4
D. 3

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Find the standard deviation of 5, 4, 3, 2, 1

A. \(\sqrt{2}\)
B. \(\sqrt{3}\)
C. \(\sqrt{6}\)
D. \(\sqrt{10}\)

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In how many ways can a team of 3 girls be selected from 7 girls?

A. \(\frac{7!}{3!}\)
B. \(\frac{7!}{4!}\)
C. \(\frac{7!}{3!4!}\)
D. \(\frac{7!}{2!5!}\)

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\(\begin{array}{c|c}
Numbers & 1 & 2 & 3 & 4 & 5 & 6 \\
\hline
Frequency & 18 & 22 & 20 & 16 & 10 & 14
\end{array}\)

The table above represents the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4?

A. \(\frac{1}{5}\)
B. \(\frac{1}{2}\)
C. \(\frac{2}{5}\)
D. \(\frac{3}{4}\)

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A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3?

A. \(\frac{2}{15}\)
B. \(\frac{1}{10}\)
C. \(\frac{1}{3}\)
D. \(\frac{2}{5}\)

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Mathematics 2014 JAMB Past Questions

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