Heights (in inches) obtained by a group of people in a random survey are reported in the following table: Height Probability 55 0.005 60 0.023 65 0.134 70 0.338 75 0.338 80 0.134 85 0.023 90 0.005 What is the expected height (in inches)? in

Advanced Engineering Mathematics
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Heights (in inches) obtained by a group of people in a random survey are reported in the following table:
Height
55
60
65
Probability
0.005
0,023
0.134
0.338
0.338
0.134
70
75
80
0.023
0.005
85
90
What is the expected height (in inches)?
in
Transcribed Image Text:Heights (in inches) obtained by a group of people in a random survey are reported in the following table: Height 55 60 65 Probability 0.005 0,023 0.134 0.338 0.338 0.134 70 75 80 0.023 0.005 85 90 What is the expected height (in inches)? in
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