English

Following experiment have equally likely outcomes? Explain. A baby is born. It is a boy or a girl. - Mathematics

Advertisements
Advertisements

Question

Following experiment have equally likely outcomes? Explain.

A baby is born. It is a boy or a girl.

One Line Answer

Solution

The outcomes are equally likely, as the probability of 'newly born baby being either boy or girl's is `1/2.`

shaalaa.com
  Is there an error in this question or solution?
Chapter 15: Probability - Exercise 15.1 [Page 308]

APPEARS IN

NCERT Mathematics [English] Class 10
Chapter 15 Probability
Exercise 15.1 | Q 2. (iv) | Page 308

RELATED QUESTIONS

Three horses A, B and C are in a race, A is twice as likely to win as B and B is twice as likely to win as C. What are their probabilities of winning?


A die is thrown. Find the probability of getting a multiple of 2 or 3


In a simultaneous throw of a pair of dice, find the probability of getting 8 as the sum


Three coins are tossed together. Find the probability of getting no tails


One card is drawn from a well-shuffled deck of 52 cards. Find the probability of getting the queen of diamonds.


A bag contains 6 red, 8 black and 4 white balls. A ball is drawn at random. What is the probability that ball drawn is not black?


A black die and a white die are thrown at the same time. Write all the possible outcomes. What is the probability? of obtaining the same number on both dice?


Two dice are thrown simultaneously. What is the probability that 5 will come up on at least one?


Fill in blank:

Probability of an event A + Probability of event ‘not A’ ...........


A circle with diameter 20 cm is drawn somewhere on a rectangular piece of paper with length 40 cm and width 30 cm. This paper is kept horizontal on table top and a dice, very small in size, is dropped on the rectangular paper without seeing towards it. If the dice falls and lands on the paper only, find the probability that it will fall and land outside the circle.


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


Two dice are rolled once. Find the probability of getting such numbers on two dice whose product is a perfect square.


What is the probability of a sure event?


1000 families with 2 children were selected randomly , and the following data were recorded : 

Number of girls in a family 0 1 2
Number of families 333  392 275

Find the probability of a family , having
(ii) 2 girls


The probability of getting a spade card from a well-shuffled deck of 52 cards is ____________.


A card is drawn from a deck of 52 cards. The event E is that card is not an ace of hearts. The number of outcomes favourable to E is ______.


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 bag contains 10 red, 5 blue and 7 green balls. A ball is drawn at random. Find the probability of this ball being a red ball.


Following experiment have equally likely outcomes? Explain.

A trial is made to answer a true-false question. The answer is right or wrong.


Which of the following cannot be the probability of an event?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×