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State whether the following is a probab...

State whether the following is a probability distribution of a random variable. Give reason for your answer.

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Since `sumP(z)=0.6+0.1+0.2 ne1`, the given table is not the probability distribution of a random variable.
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A N EXCEL PUBLICATION-PROBABILITY-QUESTION BANK
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  9. Find the probability distribution of number of heads in four tosses ...

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  10. Find the probability distribution of the number of sucesses in two tos...

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  11. Find the probability distribution of the number of sucesses in two tos...

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  12. From a lot of 30 bulbs which include 6 defectives, a sample of 4 bulbs...

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  18. The random variable X has a probability distribution P(X) of the follo...

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  19. The random variable X has a probability distribution P(X) of the follo...

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