Probability

Choose correct answer :-

If P(A) denotes the probability of an event A, then

• P(A)<0

• P(A)>1

• 0≤P(A)≤1

• -1≤P(A)≤1

If D be an event such that, P(D) = 3/7, then

P(not D) = ?

• 6/7

• 4/7

• 5/7

• None of these

A card is selected at random from a deck of 52 cards. The probability of it being a card of ace is

• 1/52

• 2/13

• 1/13

• 2/52

A bag contains 3 red and 2 green marbles. A marble is drawn at random.

The probability of drawing a blue marble is

• 0

• 1

• 2/5

• 3/5

What is the total no. of outcomes when 3 coins are tossed simultaneously?

• 2

• 8

• 4

• 7

The sum of the probability of an event and non event is

• 0

• 2

• 1

• None of these

If three coins are tossed simultaneously, then the probability of getting at least two heads is

• 1/2

• 1/4

• 1/8

• 3/8

A letter is chosen at random from the letters of the word 'ASSOCIATION'. Find the probability of getting a vowel.

• 5/11

• 6/11

• 2/11

• 3/11

A card is selected at random from a deck of 52 cards. The probability that a black face card is drawn is

• 3/26

• 3/13

• 1/2

• 2/13

In any situation that has only two outcomes, each outcome will have a probability

• 1

• 2

• 1/2

• None of these