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:
In a football match, Ronaldo makes 4 goals from 10 penalty kicks. The probability of converting a penalty kick into a goal by Ronaldo, is ___________ | |||
Right Option : D | |||
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There are 5 green 7 red and 2 black balls. If a ball is picked at random what is the probability that it is a green ball. | |||
Right Option : B | |||
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A bag contains 5 red balls and n green balls. If the probability of drawing a green ball is three times that of red ball then value of n is : | |||
Right Option : B | |||
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