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 -
E.
1/3
Correct Answer: Option B
Explanation
30 (31) 32 33 34 35 36 (37) 38 39 40 (41) 42 (43) 44 45 46 (47) 48 49 50
prob = 5/21