Section 8.2 Testing a Claim about a Proportion Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value, state the conclusion about the null hypothesis as well as the final conclusion about the claim 1. The drug OxyCotin (oxycodone) is used to treat pain, but it is dangerous because it is additive and can be lethal. In clinical trials, 227 subjects were treated with OxyContin and 52 of them developed nausea. Use a 0.05 significance level to test the claim that more than 20% of OxyCotin users develop nausea. Does the rate of nausea appear to be too high?

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Section 8.2 Testing a Claim about a Proportion
Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value, state the conclusion
about the null hypothesis as well as the final conclusion about the claim
1. The drug OxyCotin (oxycodone) is used to treat pain, but it is dangerous because it is additive and can be lethal.
In clinical trials, 227 subjects were treated with OxyContin and 52 of them developed nausea. Use a 0.05
significance level to test the claim that more than 20% of OxyCotin users develop nausea. Does the rate of
nausea appear to be too high?
2. In a study of 1228 randomly selected medical malpractice lawsuits, it was found that 856 of them were dropped
or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped
or dismissed. Should this comforting to physician?
3. A random sample of 860 births in New York State included 426 boys. Use a 0.05 significance level to test the
claim that 51.2 % of newborn baby are boys. Do the result support the belief that 51.2% of newborn babies are
boys?
4. A Pew Research Center Poll of 1060 teens aged 13 to 17 showed that 57% of them have made new friends
online. Use a 0.01 significance level to test the claim that half of all teens have made new friends online.
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Transcribed Image Text:* CO R Section 8.2 Testing a Claim about a Proportion Identify the null hypothesis, alternative hypothesis, test statistic, P-value or critical value, state the conclusion about the null hypothesis as well as the final conclusion about the claim 1. The drug OxyCotin (oxycodone) is used to treat pain, but it is dangerous because it is additive and can be lethal. In clinical trials, 227 subjects were treated with OxyContin and 52 of them developed nausea. Use a 0.05 significance level to test the claim that more than 20% of OxyCotin users develop nausea. Does the rate of nausea appear to be too high? 2. In a study of 1228 randomly selected medical malpractice lawsuits, it was found that 856 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. Should this comforting to physician? 3. A random sample of 860 births in New York State included 426 boys. Use a 0.05 significance level to test the claim that 51.2 % of newborn baby are boys. Do the result support the belief that 51.2% of newborn babies are boys? 4. A Pew Research Center Poll of 1060 teens aged 13 to 17 showed that 57% of them have made new friends online. Use a 0.01 significance level to test the claim that half of all teens have made new friends online. < Previous 2. tv AON 68 MacBook DD 000 000 F8 0吕 F3 F5 93 F4 & * # $ 5 6 9 H
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