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? A: Yes; Type one error B: Yes ; Type two error C: No ; Correct decision
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? A: Yes; Type one error B: Yes ; Type two error C: No ; Correct decision
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?
A: Yes; Type one error
B: Yes ; Type two error
C: No ; Correct decision
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