The p-value =  (Please show your answer to 4 decimal places.) The p-value is ____  α Based on this, we should:  (Select an answer: fail to reject, accept, reject)  the null hypothesis.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter2: Exponential, Logarithmic, And Trigonometric Functions
Section2.CR: Chapter 2 Review
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52% of students entering four-year colleges receive a degree within six years. Is this percent larger than for students who play intramural sports? 162 of the 266 students who played intramural sports received a degree within six years. What can be concluded at the level of significance of αα = 0.05?

  1. The p-value =  (Please show your answer to 4 decimal places.)
  2. The p-value is ____  α
  3. Based on this, we should:  (Select an answer: fail to reject, accept, reject)  the null hypothesis.
  4. Thus, the final conclusion is that ...
    • The data suggest the populaton proportion is significantly larger than 52% at αα = 0.05, so there is sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree within six years is larger than 52%
    • The data suggest the population proportion is not significantly larger than 52% at αα = 0.05, so there is sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree within six years is equal to 52%.
    • The data suggest the population proportion is not significantly larger than 52% at αα = 0.05, so there is not sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree within six years is larger than 52%.
  5. Interpret the p-value in the context of the study.
    • If the sample proportion of students who played intramural sports who received a degree within six years is 61% and if another 266 students who played intramural sports are surveyed then there would be a 0.18% chance of concluding that more than 52% of all students who played intramural sports received a degree within six years.
    • There is a 0.18% chance that more than 52% of all students who played intramural sports received a degree within six years.
    •  There is a 0.18% chance of a Type I error.
    • If the population proportion of students who played intramural sports who received a degree within six years is 52% and if another 266 students who played intramural sports are surveyed then there would be a 0.18% chance that more than 61% of the 266 students surveyed received a degree within six years
  6. Interpret the level of significance in the context of the study.
    • If the population proportion of students who played intramural sports who received a degree within six years is larger than 52% and if another 266 students who played intramural sports are surveyed then there would be a 5% chance that we would end up falsely concluding that the proportion of all students who played intramural sports who received a degree within six years is equal to 52%.
    • There is a 5% chance that the proportion of all students who played intramural sports who received a degree within six years is larger than 52%.
    • If the population proportion of students who played intramural sports who received a degree within six years is 52% and if another 266 students who played intramural sports are surveyed then there would be a 5% chance that we would end up falsely concluding that the proportion of all students who played intramural sports who received a degree within six years is larger than 52%
    • There is a 5% chance that aliens have secretly taken over the earth and have cleverly disguised themselves as the presidents of each of the countries on earth.

 

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