Types of Events

Q.

If $P\left(E\right)=0.05$, what is the probability of ‘not $E$’?

Q. When a die is thrown, the event of getting an odd number and the event of getting an even number are complementary events.

1. False
2. True

Q. What is the complement of the event : "Getting a king of hearts" ?

1. Only getting a queen of hearts
2. Getting a king of hearts
3. Not getting a king of hearts
4. Getting two cards in hearts

Q. E is an event of getting an integer when throwing a die. Then E is a/an _______

1. sure event
2. impossible event
3. elimentary event
4. exhaustive event

Q. Identify the region which represents the probability of event B not happening.

1. 
2. 
3. 
4. 

Q. If a certain missile will hit the target once out of four times and four such missiles are fired at the same target, then what is the probability that the target be hit atleast once?

1. $1$
2. $\frac{51}{256}$
3. $\frac{175}{256}$
4. None of these

Q. When a die is thrown, the event of getting an odd number and the event of getting an even number are complementary events.

1. False
2. True

Q. If P(E) = 0.05, then the probability of ‘not E’ is .

1. 0.5
2. 1
3. 0.95
4. 0.005

Q.

A jar contains 24 marbles of which some are green and others are blue. If a marble is drawn randomly from the jar, the probability that it is green is $\frac{2}{3}$. Find the probability of taking blue marbles from the jar.

1. $\frac{1}{2}$

2. $\frac{1}{4}$

3. $\frac{2}{3}$

4. $\frac{1}{3}$

Q. What is the probability of an event E not happening if P(E) = 0.2?

1. 0.6
2. 0.2
3. 0.8
4. 0.3

Q. The probability of certain event is:

1. $\frac{1}{2}$
2. $\frac{1}{3}$
3. $\frac{1}{6}$
4. $1$

Q. The probability of a day being rainy is 0.75, then the probability of it not being a rainy day is .

1. $0.79$
2. $0.25$
3. $0.50$
4. $0.36$

Q. Probability of an event E + Probability of an event 'not E' is 0.

1. False
2. True