Question

A Random variable & com have values
-4, -1, 2, 3,4 each with probability 1/5
Find density function (ii) mean (iii) variance
of y=3x^3​

Answer 1

Answer:

The probability distribution for a discrete random variable X can be represented by a formula, a table, or a graph, which provides p(x) = P(X=x) for all x. The probability distribution for a discrete random variable assigns nonzero probabilities to only a countable number of distinct x values.

A random variables

In probability and statistics, a random variable, random quantity, aleatory variable, or stochastic variable is described informally as a variable whose values depend on outcomes of a random phenomenon. The formal mathematical treatment of random variables is a topic in probability theory

Step-by-step explanation:

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Answer 2

Answer:

photosynthesis is the process in which green plants make their own food

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Step-by-step explanation:

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