# 17 Cards Numbered 1, 2, 3, 4, .... ,17 Are Put in a Box and Mixed Thoroughly. a Card is Drawn at Random from the Box. Find the Probability that the Card Drawn Bears (I) an - Mathematics

Short Note

17 cards numbered 1, 2, 3, 4, .... ,17 are put in a box and mixed thoroughly. A card is drawn at random from the box. Find the probability that the card drawn bears an odd number.

#### Solution

Total number of cards = 17

Let  E1 be the event of choosing an odd number.

These numbers are 1, 3, 5, 7, 9, 11, 13, 15 and 17.

∴ P(getting an odd number) = P(E1) = ("Number of outcomes favourable to "E_1)/"Number of all possible outcome"

Thus, the probability that the card drawn bears an odd number is 9/17.

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#### APPEARS IN

RS Aggarwal Secondary School Class 10 Maths
Chapter 15 Probability
Exercise 15A | Q 12.1 | Page 687