Ask your own question, for FREE!
Statistics 9 Online
OpenStudy (anonymous):

The scores on the mathematics section of the SAT typically follow the normal curve. Suppose the average was a 510 and the standard deviation was 100. a) What percentage of people scored between a 400 and a 500? b) A friend tells you that 60% of test takers scored lower than him. What was his score? c) If you scored a 720, in which percentile were you? d) What percentage of people scored higher than a 700?

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!
Latest Questions
Arriyanalol: i need help
22 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
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!