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JAMB - Mathematics (2004 - No. 17)
An unbiased die is rolled 100 times and the outcome is tabulated above.
What is the probability of obtaining a 5?
1/5
1/2
1/6
1/4
Explicação
Number of times 5 was obtained = 20
P(obtaining 5) = 20/100
= 1/5
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