Advertisements
Advertisements
प्रश्न
A coin is tossed 100 times with the following frequency:
Head = 55, Tail = 45.
Find the probability of getting head.
उत्तर
Event = {Head}
n(E) = 55
∴ Probability of event = `"n(E)"/"n(S)" = 55/100 = 11/20`.
APPEARS IN
संबंधित प्रश्न
The probability of an event is greater than or equal to ______ and less than or equal to ______.
A die is numbered in such a way that its faces show the number 1, 2, 2, 3, 3, 6. It is thrown two times and the total score in two throws is noted. Complete the following table which gives a few values of the total score on the two throws:
What is the probability that the total score is
(i) even? (ii) 6? (iii) at least 6?
One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting the jack of hearts.
A card is drawn at random from a pack of 52 cards. Find the probability that card drawn is the seven of clubs
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 Red
A box contains loo red cards, 200 yellow cards and 50 blue cards. If a card is drawn at random from the box, then find the probability that it will be not a yellow card
A bag contains twenty Rs 5 coins, fifty Rs 2 coins and thirty Re 1 coins. If it is equally likely that one of the coins will fall down when the bag is turned upside down, what is the probability that the coin will neither be a Rs 5 coin nor be a Re 1 coin?
Length and breadth of a rectangular garden are 77 m and 50 m. There is a circular lake in the garden having diameter 14 m. Due to wind, a towel from a terrace on a nearby building fell into the garden. Then find the probability of the event that it fell in the lake.
Two dice are thrown at the same time and the product of numbers appearing on them is noted. Find the probability that the product is less than 9.
A bag contains 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball being a not a blue ball.
