Question #308263

Given that the mean weight of senior high school students is 65kg with a standard deviation of 10. What is the percentile rank of a student with a weight of 55 kg?


1
Expert's answer
2022-03-09T14:48:39-0500

z=55−6510=−1.z=\frac{55-65}{10}=-1.

P(Z<−1)=0.1587.P(Z<-1)=0.1587.

Percentile rank is 15.87%.


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