HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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Solution for The probability distribution of a discrete random variable X is - HSC Science (Computer Science) 12th Board Exam - Mathematics and Statistics

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Question

The probability distribution of a discrete random variable X is:

X=x 1 2 3 4 5
P(X=x) k 2k 3k 4k 5k

find P(X≤4)

Solution

`P(X<=4)=P(X=1)+P(X=2)+P(X=3)+P(X=4)`

`=k+2k+3k+4k`

`=10k`

 

 

 

 

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APPEARS IN

 2015-2016 (March) (with solutions)
Question 4.2.4 | 2 marks

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Solution for question: The probability distribution of a discrete random variable X is concept: Probability Distribution of a Discrete Random Variable. For the courses HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General) , HSC Arts, HSC Commerce (Marketing and Salesmanship), HSC Commerce
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