A software company advertises that its software can improve students' grades by at least 15%.  One student conducts a hypothesis test to see if the percentage increase is less than 15%.  The conclusion of the hypothesis test is to reject the null hypothesis.  If the true percentage increase in grades for all students using the software is 13%, was an error committed?  If so, what type?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
Problem 1SE: What term is used to express the likelihood of an event occurring? Are there restrictions on its...
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A software company advertises that its software can improve students' grades by at least 15%.  One student conducts a hypothesis test to see if the percentage increase is less than 15%.  The conclusion of the hypothesis test is to reject the null hypothesis.  If the true percentage increase in grades for all students using the software is 13%, was an error committed?  If so, what type?

 

 

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