Ask
your own question, for FREE!
Mathematics
13 Online
One question..... I medal!!!!
Still Need Help?
Join the QuestionCove community and study together with friends!
1. Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many students score within one standard deviation of the mean?
about 187 students about 115 students about 78 students about 156 students
156 i think
what do u think? ill say 156
Ill try
Still Need Help?
Join the QuestionCove community and study together with friends!
tbh i dont know
@pitamar
hey pitamar do you think this is 156? also srry to bother you dude
let me check ill study for a sec brb
I Belive its 156 tell me if im wrong.
Still Need Help?
Join the QuestionCove community and study together with friends!
ok next question
mkay
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
TJH:
love Love, it comes, it goes But what if it stayed stayed in the silence the storm stayed when the world was loud for me it's different; it left when it was
Puffer:
General question what came first the chicken or the egg itu2019s a trick question
Bounty:
the world keeps moving fast and I'm stuck in a time lapse all I need is a minute
Bounty:
can I get so tips on how to start my journey into semi-realism art also on how to
Strawberryluna:
Read my poem. Im not for criticism its a poem I wrote after my breakup: Youu2019ll never understand the way you made me break, I hate that I still love you
Bounty:
first poem in a min- (tittle)? one moment i'm fine I smile till my face burns I laugh till I cant breath Then I cry I wonder where I went wrong I listen to
Twaylor:
3d printing a glider (for 150 pound 5'8 person - prolly should make it for up to
cullenn:
pitter patter sound of rain gently tapping my window tonight. calming, soothing, right? not for me.
5 days ago
4 Replies
3 Medals
5 days ago
5 Replies
1 Medal
1 week ago
4 Replies
0 Medals
2 weeks ago
0 Replies
0 Medals
6 days ago
5 Replies
2 Medals
3 weeks ago
5 Replies
1 Medal
1 hour ago
7 Replies
0 Medals
3 weeks ago
2 Replies
0 Medals