Null & Alternative Hypotheses, Type I & Type II Errors

Move the seed to select a new problem. Check the boxes to see the answers to each part. Last updated 3/28/2022.
This applet is based on problems #13-#16 p.419 of Allan G. Bluman, Elementary Statistics, 8th edition, McGraw Hill Education 2019. Updated 10/3/2013, 9/14/2015, 8/10/2020 and 3/28/2022.