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MATHEMATICS

JAMB 2014 - Question 49

Mathematics 2014 JAMB Past Questions - Question 49: Number 1 2 3 4 5 6 Frequency 18 22 20 16 10 14 The table above represents the outcome of throwing a die 100times .What is the probability of obtaining at least a 4?

Number 1 2 3 4 5 6 Frequency 18 22 20 16 10 14 The table above represents the outcome of throwing a die 100times .What is the probability of obtaining at least a 4?

A: 3/4

B: 1/5

C: 1/2

D: 2/5

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Correct Answer

Explanation

Let E denote the event of obtaining atleast a 4.Then n (E) = 16 +10 +14 =40Hence, prob (E) = n(E) / n(S)= 40/100= 2/5