A medical research team claims that the mean recovery time for patients after the new surgical treatment is more than 72 hours. A MTH 213 student wants to test this claim. The appropriate null and alternative hypotheses are

MATLAB: An Introduction with Applications
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QUESTION 21
A medical research team claims that the mean recovery time for patients after the new surgical
treatment is more than 72 hours. A MTH 213 student wants to test this claim. The appropriate null
and alternative hypotheses are
O Hoi HZ72 vs HaH<72
O Ho: H<72 vs H 72
O Ho: Hs 72 vs HaiH> 72
O Ho: H=72 vs Ha H#72
QUESTION 22
A researcher is testing whether more than 40% of students prefer online classes. The appropriate
null and alternative hypotheses are
OHo:ps 0.4 vs Haip> 0.4
Hoip20.4 vs Hai p<0.4
OHop-0.4 vs Ha'p # 0.4
Hoi p<0.4 vs Hp0.4
Transcribed Image Text:QUESTION 21 A medical research team claims that the mean recovery time for patients after the new surgical treatment is more than 72 hours. A MTH 213 student wants to test this claim. The appropriate null and alternative hypotheses are O Hoi HZ72 vs HaH<72 O Ho: H<72 vs H 72 O Ho: Hs 72 vs HaiH> 72 O Ho: H=72 vs Ha H#72 QUESTION 22 A researcher is testing whether more than 40% of students prefer online classes. The appropriate null and alternative hypotheses are OHo:ps 0.4 vs Haip> 0.4 Hoip20.4 vs Hai p<0.4 OHop-0.4 vs Ha'p # 0.4 Hoi p<0.4 vs Hp0.4
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