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Find which of the following is a Continuous random variable?

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Find which of the following is a Continuous random variable?

(a) Number of kids in a family

(b) Number of planets around the sun

(c) Number of tails tossing a coin four times

(d) Life of an electric fan

This question was addressed to me by my college professor while I was bunking the class.

I want to ask this question from Random Variables and its Probability Distributions topic in portion Probability of Mathematics – Class 12

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Correct option is (d) Life of an electric fan

Explanation: Except life of an electric fan, remaining all takes finite values. Life of an electric fan takes infinite values so it is a continuous random variable.

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