Out of first 30 natural numbers, one number is selected at random.
Out of first 30 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is -.
Answer/Solution
24/30
Steps/Work
n(S) = 30
n(Even no) = 15 = n(E)
n(Prime no) = 10 = n(P)
P(EᴜP) = 15/30 + 10/30 - 1/30 = 24/30
ANSWER:D
n(Even no) = 15 = n(E)
n(Prime no) = 10 = n(P)
P(EᴜP) = 15/30 + 10/30 - 1/30 = 24/30
ANSWER:D