Bissoy.com
Doctors Medicines MCQs Q&A

Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?

Certain numbers of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a gril hits a goal is 7/10 whereas the probability than a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy? Correct Answer 2/25

We know that, the probability that two events will take place simultaneously is denoted by the product of the individual occurences of each of the different events. So The probability that a goal is scored and it is also scored by a boy = 25×15 = 225

Related Questions

Certain number of children were playing a game of football. There was a trial taking place on the field. In this trial the probability that a goal is scored is 2/5. The probability that a girl hits a goal is 7/10 whereas the probability that a boy hits a goal is 1/5. What will be the probability that not only a goal is hit but it is also hit by a boy?
In the following question, sentences of a paragraph have been jumbled and labelled as A, B, C and D. You are required to rearrange the jumbled sentences of the paragraph and mark your response accordingly by selecting the correct option. A:  These various forms of football are known as football codes. B:  The word football normally means the form of football that is the most popular where the word is used. C: Sports commonly called football include association football (known as soccer in some countries); gridiron football (specifically American football or Canadian football); Australian rules football; rugby football (either rugby league or rugby union); and Gaelic football. D: Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal.
In an examination, there were three subjects Hindi, Maths, and Science. Marks scored by Karan in Hindi is 60. Marks scored by Karan and Lokesh in Maths is equal. Marks scored in 3 subjects by Lokesh is 200. Marks scored by Lokesh in science is 25 % of total marks obtained. Marks scored by Mohit in Hindi is equal to marks scored by Lokesh in Maths. Marks scored in Maths by Mohit is 5 more than the marks scored in Hindi. Marks scored in Maths by Lokesh is 20 more than marks scored in Science. Marks obtained by Karan, Lokesh, and Mohit in Hindi are what percent of marks obtained by Karan, Lokesh, and Mohit in Maths?
In a room there are six Bengali, twelve engineers and fifteen football players. Only one of them was a bengali Engineer who played Football. Two were Bengali Engineers but did not play football and two were Bengali football players and were not engineers. If there were 24 people in the room, and at least one of them were Bengali, engineer or a football player, how many were engineers and played football but not bngali?
Six friends Ajay, Amit, Amisha, Anjali, Anu and Arjun are playing gully cricket. Every player batted and scored runs. The scores are arranged in descending order. Amisha scored more than Anjali, who scored more than Anu. Only one person scored more runs than Amit. Anu scored fewer runs less than Ajay. Anu didn’t score the least and Amisha didn’t score the highest. Who scored the 3rd least among the friends?
Five players, 'a', 'b', 'c', 'd' and 'e', scored some runs during a match. 1. 'b' scored a half century, but did not score a century. 2. 'd' scored more runs than 'c', but less runs than 'b'. 3. 'a' scored 37 runs, which is less than 'c'. 4. 'e' scored 29 runs more than 'd'. 5. 'c' scored 21 runs less than 'b'. What is likely to be the score of 'e'?
Some students are playing some sports on a playground. 35% of the students are playing cricket, 25% of the students are playing football, and 10% of the students only play both cricket and football. 48 Students are playing any other sport while 10% of students do not play any sport. So how many students only play football on the field?
There are seven persons Amit, Roshan, Ravi, Priya, Amrita, Arpita and Mitul. They participated in a competition where they got different positions. Amit scored the first position while Mitul scored the last position. Priya scored fourth position from the last. Ravi scored one position higher than Priya while Amrita scored one position lower than Priya. Roshan scored higher position than five of them. Who scored the second lowest position?
Six persons A, B, C, D, E and F were playing a card game. A’s father, mother and uncle were in the group. There were two females. B, the mother of A got more points than her husband. D got more points in the game than E but less than F. Niece of E got the lowest points. Father of A got more points than F but still could not win the game. Who won the game?
Two football teams, Team A and Team B, played in the tournament and scored the following goals in 6 matches. Game Goals by Team A Goals by Team B Game 1 2 3 Game 2 1 0 Game 3 0 1 Game 4 4 5 Game 5 3 2 Game 6 2 1   What can we conclude on the basis of average goals?