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A random variable X has binomial distribution with mean 4 and variance 2.4. The probability that X is positive

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A random variable X has binomial distribution with mean 4 and variance 2.4. The probability that X is positive

(a) is 0.66

(b) is 1 - 0.410

(c) is 1 - 0.610

(d) cannot be determined

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Correct option: (c) is 1 - 0.610

Explanation: 

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