Calls for a Crisis Hot Line The number of calls received per day at a crisis hot line is
Chapter 5, Problem 18(choose chapter or problem)
Calls for a Crisis Hot Line The number of calls received per day at a crisis hot line is distributed as follows: Number X 30 31 32 33 34 Probability P(X) 0.05 0.21 0.38 0.25 0.11 Find the mean, variance, and standard deviation of the distribution.
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