+15 
a)209
b)228
c)235
d)247
a)scores below 60
b)scores below 68
c)scores above 80
d)scores above 94
+37155 Did you try any of these? What answer did you find for the first one?
+1443 Maybe he doesn't know how to figure out the answer, how to go about it? He probably just needs the equation. I would help if I could.
+37155 Maybe......but he has posted a lot of statistics problems over the last week or so......He should have an IDEA of how to proceed after seeing the other postings...... We are not here to just do someone's homework....ya need to at least try to answer your own questions and then ask for help 
