Login

Welcome, Guest. Please login or register.

May 08, 2024, 05:50:22 pm

Author Topic: simultaneous question hellp  (Read 354 times)  Share 

0 Members and 1 Guest are viewing this topic.

scatteam_2

  • Victorian
  • Trendsetter
  • **
  • Posts: 183
  • Respect: +1
simultaneous question hellp
« on: May 17, 2011, 02:04:51 am »
0
the amount of anaesthetic required to bring 95% of male patients to sleep is equal to 60mg. the same anaesthetic administered t 55mg brings to slee 90% of males.

assuming a normal distribution, find the mean and standard deviation

without a calcultor please!
realy stuck