Probability of An Event
Probability of An Event
Definition of Probability:
Probability is considered as a branch of mathematics that deals with uncertainty. It has been developed out of practical considerations and is used in taking decisions in almost every field. For example, while going out of house on cloudy day we have to take decision whether we should carry an umbrella or not. Such type of decision is taken by taking into consideration the probability of the occurrence of the event.
Let n be the total number of trials and m be the total number of trials in which the event has happened. The empirical probability P(E) of an event to occur is defined as:
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A basket contains 12 oranges, 7 apples, 5 mangoes and 4 bananas. Sukhmeet picks up a fruit without looking at it. The probability that it is an apple is | |||
| Right Option : A | |||
| View Explanation | |||
In a bag there 5 books on Maths, 6 books on English and 7 books on Science. Amit picks up a book without looking at it. The probability that its a science book is | |||
| Right Option : C | |||
| View Explanation | |||
In a cricket match, a batsmen hits the boundary on 4 out of 25 balls he plays. The probability that he hits the boundary on a ball he plays is | |||
| Right Option : B | |||
| View Explanation | |||
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Cheshta
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Aman Kumar Shrivastava
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Om Umang
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
