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consider a uniform probability distribution over the interval of 12 and 20. what are the mean...

consider a uniform probability distribution over the interval of 12 and 20. what are the mean and standard deviation of this uniform distribution.
Find the prob of s value more than 14.
What is the probability of a value between 8.5 and 10.5
Show that the total area is 1.00
Math   Statistics-And-Probability   
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