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Chapter 5: Q.5.30 (page 348)
Use the following information to answer the next eight exercises. A distribution is given as .
What is the theoretical standard deviation?
The theoretical standard deviation is.
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Use the following information to answer the next seven exercises. A distribution is given as . What is the cumulative distribution function?
A fireworks show is designed so that the time between fireworks is between one and five seconds, and follows a uniform
distribution.
a. Find the average time between fireworks.
b. Find probability that the time between fireworks is greater than four seconds.
Use the following information to answer the next eight exercises. A distribution is given as .
What is the theoretical mean?
On average, a pair of running shoes can last 18 months if used every day. The length of time running shoes last is exponentially distributed. What is the probability that a pair of running shoes last more than 15 months? On average, how long would six pairs of running shoes last if they are used one after the other? Eighty percent of running shoes last at most how long if used every day?
Use the following information to answer the next eight exercises. A distribution is given as .
Draw the graph of the distribution for .
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