Impossible Event

Q.

What is the difference between at least and at most

Q. Mark the correct alternative in each of the following:
The probability of an impossible event is

(a) 1
(b) 0
(c) less than 0
(d) greater than 1

Q. Probability of an impossible event is

1. 1
2. -1
3. 0
4. 2

Q.

The maximum probability of an event of a trial is:

1. Lies between 0 and 1

2. -1

3. 0

4. 1

Q.

From a well shuffled pack of 52 cards, a card is drawn at random. Find the probability that it is a diamond.

1. 

2. 

3. 

4. 

Q. Fill in the blanks:
(i) Probability of a sure event = ..... .
(ii) Probability of an impossible event = ..... .
(iii) If E be an event, then P(E) + P(not E) = ..... .
(iv) If E is an event, then .......$\le P\left(E\right)\le$ ...... .

Q.

An event whose probability of occurrence is 0, is called __

Q. The value of $\frac{0.1\times 0.1\times 0.1+0.02\times 0.02\times 0.02}{0.2\times 0.2\times 0.2+0.04\times 0.04\times 0.04}$ is:

1. $0.0125$
2. $0.25$
3. $0.5$
4. $0.125$