Chemistry homework help. A placement exam is given to all students entering a certain college. The scores are normally distributed w/ a mean of 80 and a standard devotion of 8. What percent scored above 80?What percent scored below 70%What percent scored above 90%?What percent scored between 74 and 86%?
Our Company
-
- eliteesayhub will be listed as ‘Writing Help’ on your bank statement.