Question

Totest he new catalyst, nve al uns using Catalyst XA 100 are made. A sum that al factors amecung elds or the process have been held as constant as posslole durǐฉ1he test uns, t is reasonable to regard the flye v elds obtained usnコthe new catalyst as a ra dom sanoel om the napi hinnat all pcsstir ynlts that wnuin be n t red hy using the new catat st Furthermore wn will as urme that this pn uanon t; pro mah nam 1 asmhited Regand tha sample of trial rurs for which s 1939 as a prellminary sampla. Detamine the number o alruns of the chemical procees neoded to make US Round up your answers to the next whole number) (a) 95 percent confident that I, mean nourty yield, is within a margn or error or 8 pounds of the popuaton mean hourly yield μ when catalyst XA 1 00 is used he sample b) 99 percenl ccnideni

Answer 1