Questions from Calculus


Q: In a study of the vacancies occurring in the U.S

In a study of the vacancies occurring in the U.S. Supreme Court, it has been determined that the time elapsed between successive resignations is an exponential random variable with expected value 2 ye...

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Q: In a study of the vacancies occurring in the U.S

In a study of the vacancies occurring in the U.S. Supreme Court, it has been determined that the time elapsed between successive resignations is an exponential random variable with expected value 2 ye...

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Q: In a study of the vacancies occurring in the U.S

In a study of the vacancies occurring in the U.S. Supreme Court, it has been determined that the time elapsed between successive resignations is an exponential random variable with expected value 2 ye...

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Q: Find the expected values and the standard deviations (by inspection)

Find the expected values and the standard deviations (by inspection) of the normal random variables with the density function given. 1/√2π e-(1/2)(x-4)2

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Q: The lifetime of a certain computer monitor is an exponential random variable

The lifetime of a certain computer monitor is an exponential random variable with an expected value of 5 years. The manufacturer sells the monitor for $100, but will give a complete refund if the moni...

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Q: Find the expected values and the standard deviations (by inspection)

Find the expected values and the standard deviations (by inspection) of the normal random variables with the density function given. 1/√2π e-(1/2)(x+5)2

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Q: Find the expected values and the standard deviations (by inspection)

Find the expected values and the standard deviations (by inspection) of the normal random variables with the density function given. 1/3√2π e-(1/18)x2

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Q: Find the expected values and the standard deviations (by inspection)

Find the expected values and the standard deviations (by inspection) of the normal random variables with the density function given. 1/5√2π e-(1/2)[(x-3)/5]2

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Q: Show that the function f (x) = e-x2

Show that the function f (x) = e-x2/2 has a relative maximum at x = 0.

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Q: Show that the function f (x) = e-(1

Show that the function f (x) = e-(1/2)[(x-m)/s]2 has a relative maximum at x = m.

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