1. Suppose the sediment density (g/cm) of a randomly selected specimen from a certain region is normally distr?

You should receive more and better answers if you posted your question in the Mathematics section.a href="http://answers.yahoo.com/dir/index;_ylt=AhSzZAQknmU.QFX.eGJbOTbEDH1G;_ylv=3?sid=396545161"http://answers.yahoo.com/dir/index;_ylt=…/a