8 cards are numbered as 1, 2, 3, 4, 5, 6, 7, 8 respectively. They are kept in a box and mixed thoroughly. Once card is chosen at random. What is the probability of getting a number less than 4?
A. 1/2
B. 3/4
C. 3/8
D. 3/5
(c) 3/8
We know that the,
Total number of cards kept in the box = 8
∴ number of cards having a number less than 4 on it = 3
By using the formula,
Probability p () = number of favorable outcomes/ total number of outcomes
∴ Probability of selecting a card with a number less than 4 on it p(no.of cards less than 4) = number of cards having a number less than 4/total number of cards = 3/8
Total number cards kept in the box = 8
Number of cards having a number less than 4 on it = 3
Probability (P) = \(\frac{Number\,of\,favorable\,outcomes}{Total\,number\,of\,cards\,in\,a\,deck}\) = \(\frac{3}{8}\)