#### 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

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