Mathematics

A number is chosen at random from the set (1 ,2,3 ….,9, 10). What is…

A number is chosen at random from the set (1 ,2,3
….,9, 10). What is the probability that the number
is greater than or equal to 7?
  • A.
    1/10
  • B.
    3/10
  • C.
    2/5
  • D.
    3/5
  • E.
    7/10
Correct Answer: Option C
Explanation

The given set {1, 2, 3, 4 …., 9, 10}
(x ≥ 7 ) = 7 7, 8, 9, 10 = 4
Total number of possible outcome = 10
4/10 = 2/5