Advertisements
Advertisements
प्रश्न
Three coins are tossed together. Find the probability of getting at least one head and one tail
उत्तर
When 3 coins are tossed together,
Total no. of possible outcomes = 8 {HHH, HHT, HTH, HTT, THH,THT, TTH, TTT}
Probability of an event =`"No.of favorable outcomes"/"Total no.of possible outcomes"`
E⟶ getting at least one Head & one Tail
No. of favourable outcomes = 6 {HHT, HTH, HTT, THH, THT, TTH}
Total no. of possible outcomes = 8
P(E) =6/8 =3/4
APPEARS IN
संबंधित प्रश्न
A black die and a white die are thrown at the same time. Write all the possible outcomes. What is the probability that the sum of the two numbers appearing on the top of the dice is 13?
Find the probability that a number selected at random from the numbers 1, 2, 3, ..., 35 is a Multiple of 3 or 5
For an event E, write a relation representing the range of values of P(E).
A bag contains 100 identical marble stones which are numbered 1 to 100. If one stone is drawn at random from the bag, find the probability that it bears a perfect square number.
How many possibilities is following?
Select one card from the pack of 52 cards.
How many possibilities is following?
One number from 10 to 20 is written on each card. Select one card randomly.
There are six cards in a box, each bearing a number from 0 to 5. Find the probability of the following event, that a card drawn show, a whole number.
A number is selected at random from the numbers 1 to 30. What is the probability that the selected number is a prime number?
A card is drawn at random from a well shuffled deck of 52 playing cards. The probability of getting a face card is ______.
From a well-shuffled deck of 52 cards, a card is drawn at random. What is the probability of getting king of hearts?
