Question

A card is drawn at random from a box containing 12 cards numbered
1,2,3,....12. Find the probability of drawing
I. A ‘7’
II. An even number
III. A prime number
IV. A perfect square
V. A negative number
VI. A number less than 13

Answer 1

Answer: here this goes

Step-by-step explanation:  (i) Probability of an event E + Probability of the event not E = 1.        (ii) The probability of an event that cannot happen is 0. Such an event is called impossible event.        (iii) The probability of an event that is certain to happen is 1. Such an event is called sure or certain event.        (iv) The sum of the probabilities of all the elementary events of an experiment is 1.        (v) The probability of an event is greater than or equal to 0 and less than or equal to 1.

Q.2.   Which of the following experiments have equally likely outcomes? Explain.

Answer 2

Answer:

I.  1/12

II. 6/12 or 1/2

III. 5/12

IV. 1/12

V.0

VI.12/12 or1