Question #167366

The mean height of grade 9 students at a certain high school is 164 centimeters and the standard deviation is 10 centimeters. Assuming the heights are normally distributed, What percent of the heights is greater than 168 centimeters? 


1
Expert's answer
2021-02-28T07:21:46-0500

P(X>168)=P(Z>168−16410)=P(Z>0.4)=0.3446=34.46%.P(X>168)=P(Z>\frac{168-164}{10})=P(Z>0.4)=0.3446=34.46\%.


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