Question

1) Given the mean weight of 60 kg with a standard deviation of 5 kg among students in college this school year at University X, describe the in general the composition of the population of students in terms of weight.

Answer 1

x-weight

The composition of the population of students in terms of weight is described by normal distribution:

2/3 of students have weight between:

P(-Z<x<Z)=0.667; Z=0.968; 55.16<x<64.84