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The random variable x can be adequately approximated by an

The random variable x can be adequately approximated by an exponential probability distribution with θ = 2. Find the probability that x assumes a value

a. More than three standard deviations from μ.

b. Less than two standard deviations from μ.

c. Within half a standard deviation of μ.

a. More than three standard deviations from μ.

b. Less than two standard deviations from μ.

c. Within half a standard deviation of μ.

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