problem-5.30
problem-5.30
Let X = X1 + X2 + ¼+ X15 be the total weight of the
15 occupants. The \PROB(X > 3500) is equivalent to \PROB(\Xbar > 3500/15), which by the central limit theorem is
> 1 - pnorm(3500/15, mean=180, sd=25/sqrt(15))
[1] 1.110e-16