मराठी

When we toss a coin, there are two possible outcomes - Head or Tail. Therefore, the probability of each outcome is 12. Justify your answer. - Mathematics

Advertisements
Advertisements

प्रश्न

When we toss a coin, there are two possible outcomes - Head or Tail. Therefore, the probability of each outcome is `1/2`. Justify your answer.

बेरीज

उत्तर

Yes, probability of each outcome is `1/2` because head and tail both are equally likely events.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 13: Statistics and Probability - Exercise 13.2 [पृष्ठ १६२]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 10
पाठ 13 Statistics and Probability
Exercise 13.2 | Q 8 | पृष्ठ १६२

संबंधित प्रश्‍न

A box contains 90 discs which are numbered from 1 to 90. If one disc is drawn at random from the box, find the probability that it bears a two-digit number.


In a simultaneous throw of a pair of dice, find the probability of getting a doublet


In a simultaneous throw of a pair of dice, find the probability of getting a doublet of prime numbers


A card is drawn at random from a pack of 52 cards. Find the probability that card drawn is black and a king


A card is drawn at random from a pack of 52 cards. Find the probability that card drawn is a queen


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 that turn up is 8?


A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is Black


A bag contains 5 red, 8 white and 7 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is neither white nor black.


From a pack of 52 playing cards Jacks, queens, kings and aces of red colour are removed. From the remaining, a card is drawn at random. Find the probability that the card drawn is A red card


Seven cards:- the eight, the nine, the ten, jack, queen, king and ace of diamonds are well shuffled. One card is then picked up at random. 

 If the king is drawn and put aside, what is the probability that the second card picked up is: 

  1. an ace?
  2. a king?

Suppose the pen drawn in (i) is defective and is not replaced. Now one more pen is drawn at random from the rest. What is the probability that this pen is:

  1. defective
  2. not defective?

A game of chance consists of spinning an arrow which comes to rest pointing at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8 and these are equally likely outcomes. Find the probability that the arrow will point at any factor of 8.


In a game of chance, a spinning arrow comes to rest at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8. All these are equally likely outcomes. Find the probability that it will rest at 8.


In a game of chance, a spinning arrow comes to rest at one of the numbers 1, 2, 3, 4, 5, 6, 7, 8. All these are equally likely outcomes. Find the probability that it will rest at a number greater than 2.


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 natural number.


One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting a king of red suit.


A letter is chosen at random from the letters of the word ASSOCIATION. Find the probability that the chosen letter is a an S.


A die is thrown 450 times and frequencies of the outcomes 1,2,3,4,5,6 were noted as given in the following table

outcomes 1 2 3 4 5 6
Frequency 73 70 74 75 80 78

(ii) a number < 4


A die is thrown 450 times and frequencies of the outcomes 1,2,3,4,5,6 were noted as given in the following table

outcomes 1 2 3 4 5 6
Frequency 73 70 74 75 80 78

(iii) a number > 4


A die has 6 faces marked by the given numbers as shown below:

1 2 3 – 1 – 2 – 3

The die is thrown once. What is the probability of getting a positive integer?


What is the probability of not picking a king if you choose randomly from a pack of 52 cards?


A game consists of spinning an arrow which comes to rest pointing at one of the regions (1, 2 or 3) (figure). Are the outcomes 1, 2 and 3 equally likely to occur? Give reasons.


If you toss a coin 6 times and it comes down heads on each occasion. Can you say that the probability of getting a head is 1? Give reasons.


A bag contains slips numbered from 1 to 100. If Fatima chooses a slip at random from the bag, it will either be an odd number or an even number. Since this situation has only two possible outcomes, so, the probability of each is `1/2`. Justify 


A coin is tossed 3 times. List the possible outcomes. Find the probability of getting at least 2 heads


At a fete, cards bearing numbers 1 to 1000, one number on one card, are put in a box. Each player selects one card at random and that card is not replaced. If the selected card has a perfect square greater than 500, the player wins a prize. What is the probability that the first player wins a prize?


Two dice are thrown at the same time. What is the probability that the sum of the two numbers appearing on the top of the dice is less than or equal to 12?


Let E be an event such that P(not E) = `1/5`, then P(E) is equal to ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×