Amber is an archeologist and is trying to date some furniture that was made of wood. Other experts put the date of the site at 1119 ce, but she thinks it is much earlier than that and wishes to perform her test a an alpha level of 0.01. Consider the following Conclusion and Confidence Interval statement: Conclusion: Amber collected sufficient evidence to reject the claim that the true proportion is 1119 and conclude that the true population proportion is greater than 1119. There are several issues with this statement. Select the problems applicable here:
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- The recidivism rate for convicted sex offenders is 9%. A warden suspects that this percent is higher if the sex offender is also a drug addict. Of the 396 convicted sex offenders who were also drug addicts, 51 of them became repeat offenders. What can be concluded at the a = 0.05 level of significance? a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Но: 0.09 |(please enter a decimal) H1: P 0.09 (Please enter a decimal) c. The test statistic ? 2.697 (please show your answer to 3 decimal places.) d. The p-value =| 0.0035 v (Please show your answer to 4 decimal places.) e. The p-value is f. Based on this, we should reject the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the populaton proportion is significantly higher than 9% at a = 0.05, so there is statistically significant evidence to conclude that the population proportion of convicted sex offender drug addicts who become repeat…The recidivism rate for convicted sex offenders is 9%. A warden suspects that this percent is higher if the sex offender is also a drug addict. Of the 396 convicted sex offenders who were also drug addicts, 51 of them became repeat offenders. What can be concluded at the a = 0.05 level of significance? a. For this study, we should use z-test for a population proportion b. The null and alternative hypotheses would be: Но: р 0.09 (please enter a decimal) H1: P 0.09 V (Please enter a decimal) c. The test statistic ? V = 2.697 (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answer v the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the populaton proportion is significantly higher than 9% at a = 0.05, so there is statistically significant evidence to conclude that the population proportion of convicted sex offender drug addicts who become…According to a University Center for Logistics Management, 8% of all merchandise sold in the United States gets returned. Seattle department store sampled 88 items sold in January and found that 8 of the items were returned. If you have the following null and alternative hypotheses for a test you are running: Ho:p = 0.08 Ha:p < 0.08 Calculate the test statistic, rounded to 3 decimal places. Submit Question Ce %23 24 % 4. 7 80 e r u SI d b. 60 65
- If Lynell requires her results to be statistically significant at level ?=0.05α=0.05, choose the correct decision for her to make about this test, along with the correct reason for making that decision. Reject ?0H0, because the ?P-value is less than 0.05. Fail to reject ?0H0, because the the difference between the sample count and the expected count is −12.00−12.00, which is too small to be significant. Fail to reject ?0H0, because the ?P-value is less than 0.05. Reject ?0H0, because the ?P-value is greater than 0.01.Question 24 and 25Previous research showed that 15% percent of teenagers between the ages of 13 and 17 smoke. A study was conducted to examine the current proportion of US teenagers between the ages of 13 and 17 who smoke. A survey asked a random sample of 785 teenagers between the ages of 13 to 17 if they smoke. 71 of the surveyed teenagers responded that they smoke. The information above is for the question below.
- The recidivism rate for convicted sex offenders is 15%. A warden suspects that this percent is higher if the sex offender is also a drug addict. Of the 320 convicted sex offenders who were also drug addicts, 58 of them became repeat offenders. What can be concluded at the a = 0.05 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Select an answer ✓ Ho: ? H₁: ? Select an answer ✓ c. The test statistic ? - d. The p-value = e. The p-value is ? ✓ a f. Based on this, we should g. Thus, the final conclusion is that ... (please enter a decimal) (Please enter a decimal) (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) Select an answer the null hypothesis. O The data suggest the population proportion is not significantly higher than 15% at a = 0.05, so there is statistically insignificant evidence to conclude that the population proportion of convicted sex offender drug addicts…A survey claims that 8 out of 10 customers recommend Western Drugs for pharmacy issues. To test this claim, a random sample of 100 customers is obtained from the list of rewards customers. Of these 100 customers, 72 indicate that they recommend using Western Drugs for pharmacy needs. We would like to know if this claim is accurate. Use alpha = 0.05 a. Write the null and alternative hypotheses. b. Let's perform a one sample z-test for proportions: What is the value of the test statistic? c. What is the associated P-value? d. State your conclusion using α = 0.05.Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 79 bpm. Use a 0.05 significance level. LOADING... Click the icon to view the pulse rate data. Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? A. H0: μ=79 bpm H1: μ≠79 bpm B. H0: μ>79 bpm H1: μ<79 bpm C. H0: μ=79 bpm H1: μ<79 bpm D. H0: μ=79 bpm H1: μ>79 bpm Determine the test statistic. nothing (Round to two decimal places as needed.) Determine the P-value. nothing (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. ▼ Reject Fail to reject H0. There is ▼ not sufficient sufficient evidence to conclude that the mean of the population of pulse rates for adult females is ▼ greater than not less than…
- The recidivism rate for convicted sex offenders is 15%. A warden suspects that this percentis lower if the sex offender is also a drug addict. Of the 372 convicted sex offenders who were also drug addicts, 41 of them became repeat offenders. What can be concluded at the a = 0,01 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? v Select an enswer ♥ (please enter a decimal) (Please enter a decimal) H?v Select an answer ♥ C. The test statistic ? v = (please show your answer to 3 decimal places.) d. The p-value = {Please show your answer to 4 decimal places.) e. The p-value is ?vQ f. Based on this, we should Setect an answer v the null hypothesis. g. Thus, the final conclusion is that. O The data suggest the populaton proportion is significantly lower than 15% at a = 0.01, so there is statistically significant evidence to condude that the population pFoportion of cclevicted sex offender drug addicts who become…We want to determine if the true proportion of students who do aerobics is less than 45%. Which are the correct hypotheses? Ho: P = 0.45; Ha: P≠ 0.45 Ho: P = 0.45; Ha: P > 0.45 Ho: P ≥ 0.45; Ha:P < 0.45 Ho: μ ≥ 0.45; Ha: μ < 0.45The recidivism rate for convicted sex offenders is 14 %. A warden suspects that this percent is lower if the sex offender is also a drug addict. Of the 330 convicted sex offenders who were also drug addicts, 33 of them became repeat offenders. What can be concluded at the a = 0.10 level of significance? For this study, we should use Select an answer The null and alternative hypotheses would be: Select an answer Ho: ? ✓ H₁: ? ✓ Select an answer ✓ (please enter a decimal) (Please enter a decimal) The test statistic The p-value= The p-value is ? a Based on this, we should Select an answer the null hypothesis. Thus, the final conclusion is that ... (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) O The data suggest the populaton proportion is significantly lower than 14% at a = 0.10, so there is statistically significant evidence to conclude that the population proportion of convicted sex offender drug addicts who become repeat offenders is…

