Normal model

[Maggiekidier]

A company that manufactures rivets believes the sheer strength (in pounds) is modeled by N(850,41). Draw the normal model for these rivets. Clearly label it, so what does 68- 95-99.7 rule predicts.

 

[Romsek]

and where are you having trouble?

 

[EricSlater]

And what, in fact, is your difficulty?