CK-12 Probability and Statistics - Advanced

http://www.ck12.org Chapter 5. Normal Distribution

2.A60 is by far a much lower score with teacherB.

References

Java Applets that calculate standard normal probabilities:

• http://davidmlane.com/hyperstat/z_table.html

Some online normal probability tables:

• http://en.wikipedia.org/wiki/Normal_distribution


• http://www.statsoft.com/textbook/stathome.html?sttable.html&1


• http://www.math.unb.ca/ knight/utility/NormTble.htm


• http://math2.org/math/stat/distributions/z-dist.htm


• http://www.itl.nist.gov/div898/handbook/eda/section3/eda3671.htm