=1.6363 Ho:p=0.21 Ha=0.21 fail to reject Ho, the dean's claim in believable 4. A recent study claimed that at least 15% of all eighth-grade students are overwelght. In a sample of 80 students, 9 were...

Question 4


Extracted text: =1.6363 Ho:p=0.21 Ha=0.21 fail to reject Ho, the dean's claim in believable 4. A recent study claimed that at least 15% of all eighth-grade students are overwelght. In a sample of 80 students, 9 were found to be overwelght. At a = 0.05, test the clam. 5. Researchers suspect that 18% of all high school students smoke at least one pack of cigarettes a day. At Wilson High School, with an enrollment of 300 students, a study found that 50 smoked at least one pack of cigarettes a day. At a = 0.05, can the claim be rejected? DELL C $ %