Question

A lorg-range missile missed its target by an average of 028 miles. A new steering device is sucpnsed ts and a random sample of 8 miles were equipped wich this new mechanism and tened Trese 8 missiles nissed y ditances with a mean of 076 miles and a standard deviation of 004 miles Suppose that you want the potabaility of a Tige lemunis be 001 Does the new steering system lowen the miss distance Supoose he invoived population is normal. The level of significance for thises s 049

Answer 1

TOPIC:One sample t-test for the population mean.

miMed by the 껴;씨12a (in mid ㅅample ㅅd 亼 = o.OY mi las. ㅅample size : 8. Assume the popu lation i Nogmaiy distmibuted To test d-lere, level signidicanee Te Test-statistic (T) =-m( 0y 一 8,485 .

シ ana, value-, cn i tical, tOO 0.01冫 ー 2-99795 value, Since, observed T cmi ticaL Condus ion 、- There Jo Auricient eu i donee suthuot the tkattmew Steering system o wers the- misi distance,