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Determine whether each of the following is a probability distribution. Give reasons for your answer. - Mathematics and Statistics

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प्रश्न

Determine whether each of the following is a probability distribution. Give reasons for your answer.

z 3 2 1 0 -1
P(z) 0.3 0.2 0.4. 0.05 0.05
बेरीज
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उत्तर

Here, pi > 0, `AA` i = 1, 2, ...5
Now consider
\[\sum\limits_{i=1}^{3} \text{P}_i\] = 0.3 + 0.2 + 0.4 + 0.05 + 0.05 = 1
∴ Given distribution is a probability distribution.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Probability Distributions - Exercise 8.1 [पृष्ठ १४०]

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बालभारती Mathematics and Statistics 2 (Commerce) [English] Standard 12 Maharashtra State Board
पाठ 8 Probability Distributions
Exercise 8.1 | Q 3.(iv) | पृष्ठ १४०
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