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.
Package weight: mu = 500 g, sigma = 50 g. Sample n = 25 . Calculate P(\bar X > 520)
Package weight: mu = 500 g, sigma = 50 g. Sample n = 25 . Calculate P(\bar X > 520)
Natural Language
Math Input
Extended Keyboard