كاره الثانويه
11-12-2011, 08:38 PM
ياجماعه ياريت حد يحليلي السوال ده ضروري في الاحصا عشان لازم اسلم الشيت بتاعي بكره وانا مش عارف احلها
المسئله اهي :
A medicine is clamied to be 90% effective in a sample of 200 patients 160were cured at (alfa)=0.01 canethis claim be blieved ??
(Assuming that the number of all patients is 1000)
المسئله اهي :
A medicine is clamied to be 90% effective in a sample of 200 patients 160were cured at (alfa)=0.01 canethis claim be blieved ??
(Assuming that the number of all patients is 1000)