Question

P(-t 12 years ago

Answer 1

\[P(-t<Z<t)=0.5878~~\Rightarrow~~P(z>t)=P(z<-t)=\frac{1}{2}(1-0.5878)=0.2061\]
Use a table to determine the value of \(t\).

Answer 2

thank you

Answer 3

yw