Math 225n Week 7 Assignment Developing Hypothesis And Understanding Possible Conclusion

This study source was downloaded by 100000802832151 from CourseHero.com on 11-07-2022 06:18:11 GMT -06:00https://www.coursehero.com/file/58923939/Conduct-a-Hypothesis-Test-for-Proportiondocx/ Conduct a Hypothesis Test for Proportion - P-Value ApproachWeek 71. A teacher claims that the proportion of students expected to pass an exam is greater than 80 % . To test this claim, the teacher administers the test to 200 random students and determines that 151 students pass the exam.The following is the setup for this hypothesis test:H 0 : p = 0.80H a : p > 0.80In this example, the p-value was determined to be 0.944 .Come to a conclusion and interpret the results for this hypothesis test for a proportion (use a significance level of 5 % )The decision is to fail to reject the Null Hypothesis.The conclusion is that there is not enough evidence to support the claim.2 . A hospital administrator claims that the proportion of knee surgeries that are successful is 87 % . To test this claim, a random sample of 450 patients who underwent knee surgery is taken and it is determined that 371 of thesepatients had a successful knee surgery operation. The following is the setup for this hypothesis test:H 0 : p = 0.87H a : p