Find the probability that a number selected fro... - WAEC Mathematics 1994 Question
Find the probability that a number selected from the number 30 to 50 inclusive is a prime
A
1/4
B
5/21
C
2/7
D
3/10
correct option: b
30 (31) 32 33 34 35 36 (37) 38 39 40 (41) 42 (43) 44 45 46 (47) 48 49 50
prob = 5/21
prob = 5/21
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