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.
Distance of fly-balls: \mathcal N(250, 50^2) ft. Sample of 49 balls. Calculate P(\bar X < 240)
Distance of fly-balls: \mathcal N(250, 50^2) ft. Sample of 49 balls. Calculate P(\bar X < 240)
Natural Language
Math Input
Extended Keyboard