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Lesson Posted on 24/06/2017 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Mutually Exclusive Events And Independent Events

Faizan Mohammad

Joined a well reputed School Blooming Buds Co Ed School as a Maths teacher for senior classes on 23 Sept,1997...

Mutually Exclusive Events and Independent Events: "Two events are said to be Mutually exclusive even "ts with respect to each other if occurrence of one excludes the occurrence of the other " For example : If two men, say M1 and M2 proposed the same lady W for marriage and A and B are two events... read more

Mutually Exclusive Events and Independent Events:

"Two events are said to be Mutually exclusive even "ts with respect to each other if occurrence of one excludes the occurrence of the other "

- For example : If two men, say M1 and M2 proposed the same lady W for marriage and A and B are two events defined as follows : A =" M1gets married to W" and B="M2 gets married to W"

- Now from the example mentioned above it is quite clear that the events A and B can not happen at the same time,i.e., occurrence of event A excludes the occurrence of event B and vice versa so we can say that the events A and B are two mutually exclusive events.
- On the other hand two events are said to be Independent Events if occurrence of one event does not affect the occurrence of the other.
- For example if a man M1 proposed to a woman W1 and a man M2 proposed to another woman W2. Now in this case if A and B are events such that A = "M1 gets married to W1" and B ="M2 gets married to W2", clearly the events A and B do not affect each other in any way. Thus here in this case the events A and B are Independent Events.
- Addition Theorem of Probabilities: If A and B are two mutually exclusiveevents, then Probability ( A ? B) = Probability (A) + Probability (B)

- It may also be written as P(A ? B) =P(A) +P(B) or P(A or B) = P(A) + P(B)

Multiplication Theorem of Probabities:

"If A and B are two independent events, then P(A ∩ B) = P(A).P(B)

or P(A and B) = P(A) . P(B) "

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Comments 1 Answered on 07 Feb Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Sujoy D.

Tutor

Apply maxima minima concept separately for f(x) and g(x), you ll get the solution to be 0

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Answers 42 Comments Answered on 05/06/2017 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Ca Prashanth Reddy

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S chand publications

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Answers 107 Comments Looking for Class XI-XII Tuition (PUC)

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Answered on 23/05/2017 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Ca Prashanth Reddy

Tutor

You can start at 12th, but you must understand that this subject will require much more attention than the other subjects. Only understanding concept will not help, you will have to do lot of practice questions. You will need precise help and very good reference books. You also need to be ready to refer... read more

You can start at 12th, but you must understand that this subject will require much more attention than the other subjects. Only understanding concept will not help, you will have to do lot of practice questions. You will need precise help and very good reference books. You also need to be ready to refer back the earlier class maths book, if required. read less

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Answers 160 Comments Answered on 07 Feb Tuition/Class XI-XII Tuition (PUC)/Mathematics

Which book would be the best to teach to student for 9th and 10th CBSE board ?

Sujoy D.

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RD SHARMA

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Answers 1 Comments Answered on 23/05/2017 Tuition/Engineering Diploma Tuition Tuition/Engineering Diploma Tuition/Applied Math Tuition/Class XI-XII Tuition (PUC)

Ca Prashanth Reddy

Tutor

The taste of each fruit is different because it is create in different environment. Similarly, each and every person are expert in a particular field in which they completed his education and acknowledge their ability.

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Answers 55 Comments Looking for Class XI-XII Tuition (PUC)

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Answered on 07 Feb Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Sujoy D.

Tutor

in order to move forward there are some thing which are very important and that can be only understood in class 11th. Now the practical step is that you have to study two classes simultaneously which is no doubt a tough thing but with extensive hard word nothing is impossible. So start studying 11 at... read more

in order to move forward there are some thing which are very important and that can be only understood in class 11th. Now the practical step is that you have to study two classes simultaneously which is no doubt a tough thing but with extensive hard word nothing is impossible. So start studying 11 at home but in somebody's guidance and 12 also separately. With time you'll be able to understand the concepts and basics.Look for a good tutor who can make you understand the basics of 11th standard's concepts. Make sure that you are more dedicated and practice a lot of sums, as you have to cope up with 12th standard portions too.Practice is what will make you master the subject

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Answers 110 Comments Answered on 29/01/2017 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Prashanth K

Tutor

Row and column wise arrangement of data.

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Answers 73 Comments Answered on 04/01/2017 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Tuition/B Ed Tuition

Educa Academy

A parabola is a curve where any point is at an equal distance from: a fixed point (the focus ), and a fixed straight line (the directrix).

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Answers 33 Comments Looking for Class XI-XII Tuition (PUC)

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Answered on 25 Feb Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Salman Ahmad Siddiqui

Maths Tutor

7th term =40=a + 6d sum of 13 term =(13/2)(2a+12d)=13(a+6d)=13*40=520

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