English, asked by princessbahandi, 1 month ago

how to find the variance and standard deviation of a discrete random variable?​

Answers

Answered by GeniusKrishnali3
6

Answer:

For a discrete random variable the standard deviation is calculated by summing the product of the square of the difference between the value of the random variable and the expected value, and the associated probability of the value of the random variable, taken over all of the values of the random variable, and finally taking the square root.

Explanation:

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