Question on: JAMB Mathematics - 2021
Find the probability that a number selected at random from 41 to 56 is a multiple of 9
A
\(\frac{1}{8}\)
B
\(\frac{2}{15}\)
C
\(\frac{3}{16}\)
D
\(\frac{7}{8}\)
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Correct Option: A
Given the range of number 41 to 56, we have:
41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56
The numbers that are multiple of 9 are: 45, 54
P(multiple of 9) = \(\frac{2}{16}\)
= \(\frac{1}{8}\)
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