Question

Please help with this question involving a z-score and probability (picture attached of question) . I think that the answer would be 36.03% is that right?

Answer 1

\[P(X<3.5)=P\left(\frac{X-4.2}{0.9}<\frac{3.5-4.2}{0.9}\right)=P(Z<-0.78)\]
http://www.wolframalpha.com/input/?i=P%28Z%3C%283.5-4.2%29%2F0.9%29