Question 1011937
z=(value-mean)/s/sqrt(n)
=(2.40-2.34)/0.20)/10
=0.06*10/0.2
=>3
The probability is 0.0013
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For ii
-0.04*10/0.2=z < -2, or 0.0228
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For iii
0.03*10/0.2
|z|<1.5
P=0.8664