Ask
your own question, for FREE!
Mathematics
86 Online
OpenStudy (anonymous):
The mean and standard deviation height (in cms) for fifty girls in year 10 at a particular school are 164.3 and 7.49 respectively. The mean height for thirty-six boys is 173.5 cm. If 4 boys of the 36 boys in year 10, are shorter than the mean height for girls find the standard deviation of the boys’ heights. Assume all heights are normally distributed.
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
PLZ help i have know idea what to do
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
Countless7Echos:
Welp I got new head funzies, volla whatever this creature is. (His name is Vex) A
24 minutes ago
9 Replies
0 Medals
idontexistrn1:
https://youtube.com/shorts/-ZVUa72a4Wo?si=EBK1avURQ-m15dym remember to drink wate
29 minutes ago
17 Replies
0 Medals
Ja2p3rM3l0dy:
Would yall be interested in reading a kny story (based off of Sanemi x Giyuu x Sh
2 hours ago
3 Replies
0 Medals
Alanaaaaaaa:
So I recently started my college work. oh my, I tell ya'll it sucks.. Any tips?
19 minutes ago
11 Replies
3 Medals
jillybilly09:
guys my teacher is not here and there is a sub so like should i do my work or no.
4 hours ago
12 Replies
0 Medals