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eweqwoewoji
04.04.2020 •
Mathematics
The number of tickets purchased by an individual for Beckham College's holiday music festival is a uniformly distributed random variable ranging from 2 to 7. Find the mean and standard deviation of this random variable. (Round your answers to 2 decimal places.) Mean Standard deviation
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Ответ:
The mean is 4.5 and the standard deviation is 1.44.
Step-by-step explanation:
An uniform probability is a case of probability in which each outcome is equally as likely.
For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.
The mean of the uniform probability distribution is:
The standard deviation of the uniform probability distribution is:
Uniformly distributed random variable ranging from 2 to 7.
This means that
.
So
The mean is 4.5 and the standard deviation is 1.44.
Ответ:
12
Step-by-step explanation: