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![Ho:p>0.90 versus Ha p< 0.90 (lett taited test) (3) 2=-2023 then p-value a 1000 129] p-value. I to , p-value < .05 and prelun](http://img.homeworklib.com/questions/48a35f70-65ce-11eb-8cf1-fda3edf1837c.png?x-oss-process=image/resize,w_560)
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3) 3) A company claims that 9 out of 10 doctors (i.e., 90%) recommend its brand...
Question 14 1 pts A survey claims that 9 out of 10 doctors (i.e., 90%) recommend...
Question 14 1 pts A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of doctors was taken. Suppose the test statistic is z- -2.23. Can we conclude that the null hypothesis should be rejected at the a) a =0.10, b) a = 0.05, and c)...
Question 14 1 pts A survey claims that 9 out of 10 doctors (ie. 90%) recommend...
Question 14 1 pts A survey claims that 9 out of 10 doctors (ie. 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of doctors was taken. Suppose the test statisticis z --2.23. Can we conclude that the null hypothesis should be rejected at the a) a =0.10, b) a = 0.05, and c) a...
Ha: P recommand L,90 4. A survey claims that 9 out of 10 doctors recommend aspirin...
Ha: P recommand L,90 4. A survey claims that 9 out of 10 doctors recommend aspirin for their patients with bad headaches. To test this claim against the alternative that the population proportion of doctors who recommend aspirin is less than 0.90. A random sample of 100 doctors was selected. Suppose you reject the null hypothesis with alpha = 0.01. (à. there is insufficient evidence to conclude that the proportion of doctors who recommend aspirin is 0.90 or more. b,...
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches....
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.80, a random sample of 100 doctors results in 75 who indicate that they recommend aspirin. Test the null hypothesis that at least 80% of doctors recommend aspirin for headaches. Use =:05 Use the critical value method. Which of the following is the correct hypothesis...
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches....
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.80, a random sample of 100 doctors results in 75 who indicate that they recommend aspirin. Test the null hypothesis that at least 80% of doctors recommend aspirin for headaches. Use a 05 Use the critical value method. What is the correct level of significance...
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches....
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.80, a random sample of 100 doctors results in 75 who indicate that they recommend aspirin. Test the null hypothesis that at least 80% of doctors recommend aspirin for headaches. Use 0.05 Use the critical value method. What is the critical value(s) for this problem?...
A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches....
A survey claims that 9 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim, a random sample of 100 doctors is obtained. Of these 100 doctors, 81 indicate that they recommend aspirin. Is this claim accurate? Use alpha = 0.05 (a) What is the value of the sample proportion ? (b) what is the value from the z-test?
help me 10 COLUOPULU PL . 5. In a survey, 8236 out of 9858 doctors recommend...
help me
10 COLUOPULU PL . 5. In a survey, 8236 out of 9858 doctors recommend aspirin for for their patients with headaches. Let p denote the percentage of doctors who would recommend aspirin for their patients with headache. (a) Construct a 95% confidence interval for p based on the sample information (b) It has been claimed that 9 out of 10 doctors recommend aspirin for their patients with headaches. Is this claim accurate? Perform a statistical test at the...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the ques...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 1) Many people think that a national lobby's successful fight against gun control legislation is reflecting the will of a minority of Americans. A random sample of 4000 citizens yielded 2250 who are in favor of gun control legislation. Estimate the true proportion of all Americans who are in favor of gun control legislation using a 98% confidence interval. Express the...
Problem 1. The p-value for testing is 0.043 a) What decision is made using 0.05 significance...
Problem 1. The p-value for testing is 0.043 a) What decision is made using 0.05 significance level? b) Say you increase the significance level to 10. Would your decision change? Explain c) Say you decrease the significance level to .01. Would your decision change? Explain Problem 2. Assuming an equal chance of a new baby being a boy or a girl, what is the probability that more than 60 out of the next 100 births at a local hospital will...
Question 14 1 pts A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of doctors was taken. Suppose the test statistic is z- -2.23. Can we conclude that the null hypothesis should be rejected at the a) a =0.10, b) a = 0.05, and c)...
Question 14 1 pts A survey claims that 9 out of 10 doctors (ie. 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of doctors was taken. Suppose the test statisticis z --2.23. Can we conclude that the null hypothesis should be rejected at the a) a =0.10, b) a = 0.05, and c) a...
Ha: P recommand L,90 4. A survey claims that 9 out of 10 doctors recommend aspirin for their patients with bad headaches. To test this claim against the alternative that the population proportion of doctors who recommend aspirin is less than 0.90. A random sample of 100 doctors was selected. Suppose you reject the null hypothesis with alpha = 0.01. (à. there is insufficient evidence to conclude that the proportion of doctors who recommend aspirin is 0.90 or more. b,...
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.80, a random sample of 100 doctors results in 75 who indicate that they recommend aspirin. Test the null hypothesis that at least 80% of doctors recommend aspirin for headaches. Use =:05 Use the critical value method. Which of the following is the correct hypothesis...
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.80, a random sample of 100 doctors results in 75 who indicate that they recommend aspirin. Test the null hypothesis that at least 80% of doctors recommend aspirin for headaches. Use a 05 Use the critical value method. What is the correct level of significance...
A survey claims that 8 out of 10 doctors recommend aspirin for their patients with headaches. To test this claim against the alternative that the actual proportion of doctors who recommend aspirin is less than 0.80, a random sample of 100 doctors results in 75 who indicate that they recommend aspirin. Test the null hypothesis that at least 80% of doctors recommend aspirin for headaches. Use 0.05 Use the critical value method. What is the critical value(s) for this problem?...
help me
10 COLUOPULU PL . 5. In a survey, 8236 out of 9858 doctors recommend aspirin for for their patients with headaches. Let p denote the percentage of doctors who would recommend aspirin for their patients with headache. (a) Construct a 95% confidence interval for p based on the sample information (b) It has been claimed that 9 out of 10 doctors recommend aspirin for their patients with headaches. Is this claim accurate? Perform a statistical test at the...
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Provide an appropriate response. 1) Many people think that a national lobby's successful fight against gun control legislation is reflecting the will of a minority of Americans. A random sample of 4000 citizens yielded 2250 who are in favor of gun control legislation. Estimate the true proportion of all Americans who are in favor of gun control legislation using a 98% confidence interval. Express the...
Problem 1. The p-value for testing is 0.043 a) What decision is made using 0.05 significance level? b) Say you increase the significance level to 10. Would your decision change? Explain c) Say you decrease the significance level to .01. Would your decision change? Explain Problem 2. Assuming an equal chance of a new baby being a boy or a girl, what is the probability that more than 60 out of the next 100 births at a local hospital will...
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