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Let the continuous random variable X denote the current measured in a thin copper wire in milliamperes. Assume that the range of X is (0, 1/0.3 mA), and assume that the probability density function of X is f(x) = 0.3 for 0

Let the continuous random variable X denote the current measured in a thin copper wire in milliamperes. Assume that the range of X is (0, 1/0.3 mA), and assume that the probability density function of X is f(x) = 0.3 for 0

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 23E
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Let the continuous random variable X denote the current measured in a thin copper wire in milliamperes. Assume that the range of X is (0, 1/0.3 mA), and assume that the probability density function of X is f(x) = 0.3 for 0 < x <1/0.3. Find the variance of X. I
Transcribed Image Text:Let the continuous random variable X denote the current measured in a thin copper wire in milliamperes. Assume that the range of X is (0, 1/0.3 mA), and assume that the probability density function of X is f(x) = 0.3 for 0 < x <1/0.3. Find the variance of X. I
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