The number of minutes of hot water you can expect from the shower in your dormitory is
Question:
The number of minutes of hot water you can expect from the shower in your dormitory is defined by the probability density function:
where x = values for the random variable “minutes of hot water”
a. Determine the probability that you will have between 5 and 5.5 minutes of hot water.
b. Determine the probability that you will have no more than 4.5 minutes of hot water.
c. Determine the mean (expected value) and the standard deviation of the “minutes of hot water” random variable.
d. Show that the total area associated with the probability density function here is 1.0. That is, demonstrate that P(1 ≤ x ≤ 6 ) = 1.0.
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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