Question
The following table presents the probability distribution for district sales of cars at for a local distributor. Sales (100's)Probability P(x) 00.20 10.10 20.15 30.35 40.20
The following table presents the probability distribution for district sales of cars at for a local distributor.
Sales (100's)Probability P(x)
00.20
10.10
20.15
30.35
40.20
a.How many cars should the manager expect to sell on any given day?
b.What is the standard deviation of the expected sales?
What formula do i use for this problem? I have the TI84
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College Algebra Graphs and Models
Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna
5th edition
321845404, 978-0321791009, 321791002, 978-0321783950, 321783956, 978-0321845405
