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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.

y –1 0 1
P(y) 0.6 0.1 0.2
बेरीज
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उत्तर

Here, pi > 0, `AA` i = 1, 2, 3
Now Consider,
\[\sum\limits_{i=1}^{3} \text{P}_i\] = 0.6 + 0.1 + 0.2 = 0.9 ≠ 1
∴ Given distribution is not a probability distribution.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Probability Distributions - Exercise 8.1 [पृष्ठ १४१]

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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.(v) | पृष्ठ १४१
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