The mean height of soldiers is 68.22 units and variance of 10.8sq. units. how many soldiers in a regiment of 10,000 would you expect to be: (1) over 72 units tall (2) under 60 units tall
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Z=(x-mean)/SD
= (72-68.22)/10.8= 3.78/10.8=.36
Find table value of .36 and multiplied by 10000
For under 60
(60-68.22)/10.8 = -8.22/10.8= .-8
Check value from table and multiplication oy10000
= (72-68.22)/10.8= 3.78/10.8=.36
Find table value of .36 and multiplied by 10000
For under 60
(60-68.22)/10.8 = -8.22/10.8= .-8
Check value from table and multiplication oy10000
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