A class of 43 students took an exam. They had a mean average of 67 and a standard deviation of 7.
a) how many students got a c
b) how many students got a b
c) what is a scoree needed to get an a
is a) 4 b) 1 c) 90
a) how many students got a c
b) how many students got a b
c) what is a scoree needed to get an a
is a) 4 b) 1 c) 90