Calculates the expected time and the standard deviation

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A renovation of the gift shop at Orlando Amway Center has six activities (in hours). For the following estimates of a, m, and b calculate the expected time and the standard deviation for each activity:

Activity

a

m

b

A

11

15

19

B

27

31

41

C

18

18

18

D

8

13

19

E

17

18

20

F

16

19

22

Reference no: EM131357176

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