Advertisements
Advertisements
प्रश्न
A bag contains 4 red, 5 black and 6 white balls. A ball is drawn from the bag at random. Find the probability that the ball drawn is White
उत्तर
Total no. of possible outcomes = 15 {4 red, 5 black, 6 white balls}
E ⟶ event of drawing white ball.
No. of favourable outcomes = 6 {6 white}
Probability, P(E) =`"No.of favorable outcomes"/"Total no.of possible outcomes"`
P(E) =6/15 =2/5
APPEARS IN
संबंधित प्रश्न
If S = {2, 4, 6, 8, 10, 12} and A = {4, 8, 12}, find A'
In a simultaneous throw of a pair of dice, find the probability of getting a doublet of odd numbers
Fill in blank:
Every elementary event associated to a random experiment has........... probability.
A number is selected at random from first 50 natural numbers. Find the probability that it is a multiple of 3 and 4.
How many possibilities is the following?
Vanita knows the following sites in Maharashtra. She is planning to visit one of them in her summer vacation.
Ajintha, Mahabaleshwar, Lonar Sarovar, Tadoba wild life sanctuary, Amboli, Raigad, Matheran, Anandavan.
How many possibilities is following?
Any day of a week is to be selected randomly.
Two dice are thrown at the same time. Find the probability of getting different numbers on both dice.
In a game, the entry fee is Rs 5. The game consists of a tossing a coin 3 times. If one or two heads show, Sweta gets her entry fee back. If she throws 3 heads, she receives double the entry fees. Otherwise she will lose. For tossing a coin three times, find the probability that she just gets her entry fee.
Which of the following cannot be the probability of an event?
There is a square board of side ‘2a’ units circumscribing a red circle. Jayadev is asked to keep a dot on the above said board. The probability that he keeps the dot on the shaded region is ______.
