Question

Choose the correct option from the given below:
1. Which of the following cannot be the probability of an event?
(a) 2/3 (b) - 1.5 (c) 15%
(d) 0.7
2. If P(E) = 0.05, what is the probability of ‘not E'?
(a) 0.95 (b) - 0.95
(c)0
3. Sin 2A = 2 sinA is true when A= .......
(d) 1
(a) 0°
(b) 30°
(c) 45°
4. For an AP: 5,-1, 3, 7,... the value of common difference
(a)-4
(b)-5
(c) 5
CHOC
(d) 60°

Answer 1

Answer:

1 (b) is the ans

probability can not be negative

2 (a) 0.95

3 (d) 1

4 (a) -4