Ask
your own question, for FREE!
Mathematics
12 Online
OpenStudy (anonymous):
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 below 66? about 115 students about 78 students about 93 students about 37 students
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (krazykricket):
50% - 34% = 16%. So 16% or 0.16 percent of students got a grade lower than 66. Given that you have 230 students: 230 * .16 = 37
OpenStudy (anonymous):
so about 37 percent?
OpenStudy (krazykricket):
D. About 37 Students :)
OpenStudy (anonymous):
alright thanks :)
OpenStudy (krazykricket):
Your Welcome
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
donnijah:
No Cons, All Pros for Reality Shows Dontavious Tindell I. Getting the Phone Call: When I finally got the phone call from the producers of the reality TV sho
LILBOY:
DO you guys think u can give me some lyrics for my new love song
imbored0wannatalk:
i made sum collages what should i make some of next
uknownprttyfacekayla:
Hi ud83dudc4b this is something i was working on for ab a week baha
gelphielvr:
(not a homework question) my teacher is making us talk about our best friend and why we like them.
abcdefu3:
Accounting Prepare the journal entries to record the following transactions: Sales: (a) On March 2, Benson Company sold $800,000 of merchandise to Edgebrook
PureSoulless:
Add all the numbers formed by squaring each of the three successive natural numbers and find the remainder when it is divided by 3.
donnijah:
No Cons, All Pros for Reality Shows Dontavious Tindell I. Getting the Phone Call: When I finally got the phone call from the producers of the reality TV sho
2 days ago
0 Replies
0 Medals
LILBOY:
DO you guys think u can give me some lyrics for my new love song
2 days ago
27 Replies
2 Medals
imbored0wannatalk:
i made sum collages what should i make some of next
1 day ago
29 Replies
4 Medals
uknownprttyfacekayla:
Hi ud83dudc4b this is something i was working on for ab a week baha
3 days ago
21 Replies
4 Medals
gelphielvr:
(not a homework question) my teacher is making us talk about our best friend and why we like them.
4 days ago
7 Replies
0 Medals
abcdefu3:
Accounting Prepare the journal entries to record the following transactions: Sales: (a) On March 2, Benson Company sold $800,000 of merchandise to Edgebrook
4 days ago
0 Replies
0 Medals
PureSoulless:
Add all the numbers formed by squaring each of the three successive natural numbers and find the remainder when it is divided by 3.
5 days ago
4 Replies
1 Medal