Mathematics

Find the probability that a number selected from the number 30 to 50 inclusive is…

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