Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
t = 1.96; n = 143; w=47/143; solve (t^2/n +1)p^2 -2(w + t^2/n)p + w^2 = 0; Find p
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random