Advertisements
Advertisements
प्रश्न
A coin is tossed twice . what is the probability of getting
(i) no head
उत्तर
When a coin is tossed twice , the outcomes are {HH , HT , TH , TT}
Number of outcomes = 4
Number of favourable outcomes = 1
P(getting no head) = `"Number of favourable outcomes"/"Total number of outcomes"`= `1/4`
APPEARS IN
संबंधित प्रश्न
A number is chosen at random from the number –3, –2, –1, 0, 1, 2, 3. What will be the probability that square of this number is less then or equal to 1?
A and B are friends. Ignoring the leap year, find the probability that both friends will have different birthdays?
All the three face cards of spades are removed from a well-shuffled pack of 52 cards. A card is then drawn at random from the remaining pack. Find the probability of getting a black card.
In a musical chairs game, a person has been advised to stop playing the music at any time within 40 seconds after its start. What is the probability that the music will stop within the first 15 seconds?
A bag contains 10 red balls, 16 white balls and 8 green balls. A ball is drawn out of the bag at random. What is the probability that the ball drawn will be neither red nor green?
Two different coins are tossed simultaneously .Find the probability of getting :
(i)two tails
An unbiased cubic die is thrown .Find the probability of getting (i) an odd number,
An unbiased cubic die is thrown .Find the probability of getting
(iii) a number divisible by 2
Which of the following can be the probability of an event?
A card is drawn from a well shuffled deck of cards. What is the probability that the card drawn is neither a king nor a queen?
