A medical researcher says that 25% of U.S. adults are smokers. In a random sample of 272 US. adults, 57 say that they are smokers at a- 0.05, is there en evidence to support that less than 25% of U.S. adults are smokers? What shall we use for Ho and Hy? Hop-0.25 Hp<0.25 Ho p-0.25 O Hp> 025 Ho p> 025 Hi:p<025

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A medical researcher says that 25% of U.S. adults are smokers. In a random sample of 272 US, adults, 57 say that they are smokers at a- 0.05, is there enough
evidence to support that less than 25% of U.S. adults are smokers?
What shall we use for Ho and Hy?
Hg p-0.25
Hp<025
Ho p-0.25
O Hip> 025
Ho p> 025
Hi:p<025
Transcribed Image Text:A medical researcher says that 25% of U.S. adults are smokers. In a random sample of 272 US, adults, 57 say that they are smokers at a- 0.05, is there enough evidence to support that less than 25% of U.S. adults are smokers? What shall we use for Ho and Hy? Hg p-0.25 Hp<025 Ho p-0.25 O Hip> 025 Ho p> 025 Hi:p<025
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