SOLUTION: A sample of n=25 observations is drawn from a normal population with μ=1010 and σ=230. Find each of the following:
P(X¯>1102)
P(X¯<913)
P(X¯>973)
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Question 1086828: A sample of n=25 observations is drawn from a normal population with μ=1010 and σ=230. Find each of the following:
P(X¯>1102)
P(X¯<913)
P(X¯>973)
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z > (1102-1010)/230/sqrt (25)=2 and that is 0.0228
z < (913-1010)/230/sqrt (25)=-2.11 and that is 0.0174
z > (973-1010)/230/sqrt(25))=-0.8043 and that is 0.7894
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