Question #334477

Given a population of 5000 scores with mean= 86 and SD= 10. How many scores are above 116

Expert's answer

P(X>116)=1P(Z1168610)P(X>116)=1-P(Z\le\dfrac{116-86}{10})

=1P(Z3)0.001350=1-P(Z\le3)\approx0.001350

0.001350(5000)=70.001350(5000)=7

77 scores


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