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A: Topic = Integration
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- Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim. Due to improvements in its manufacture, Interstate Batteries claims that at least 95% of their lawn tractor batteries will last 3 years. Assuming that a hypothesis test of the claim has been conducted and that the decision is to fail to reject the null hypothesis, state the conclusion in nontechnical terms. claim: p≥0.95, H0: p=0.95, H1: p<0.95 A.There is not sufficient evidence to support the claim that at least 95% of their lawn tractor batteries will last 3 years. . B. The sample data support the claim that at least 95% of their lawn tractor batteries will last 3 years. C.There is sufficient evidence to warrant rejection of the claim that at least 95% of their lawn tractor batteries will last 3 years. D.There is not sufficient evidence to warrant rejection of the claim that at least 95% of their lawn tractor batteries will last 3 years.Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (μ, ρ, σ) for the indicated parameter. An entomologist writes an article in a scientific journal which claims that fewer than 16 in ten thousand male fireflies are unable to produce light due to a genetic mutation. Use the parameter p, the true proportion of fireflies unable to produce light. Group of answer choices H0 : p = 0.0016H1 : p > 0.0016 H0 : p > 0.0016H1 : p ≤ 0.0016 H0 : p < 0.0016H1 : p ≥ 0.0016 H0 : p = 0.0016H1 : p < 0.0016Formulate the indicated conclusion in nontechnical terms. Be sure to address the original claim. A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO, p, is less than 1 in every ten thousand. Assuming that a hypothesis test of the claim has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms. A. There is sufficient evidence to support the claim that the true proportion is less than 1 in ten thousand. B. There is not sufficient evidence to support the claim that the true proportion is less than 1 in ten thousand. C. There is not sufficient evidence to support the claim that the true proportion is greater than 1 in ten thousand. D. There is sufficient evidence to support the claim that the true proportion is greater than 1 in ten thousand.
- How do you calculate a cohen's, why and when? (maybe a real-life example).A researcher wants to find the effect of a special diet on systolic blood pressure. A sample of 7 adults was selected to start them on this diet for 3 months. Based on this information, can it be stated that systolic blood pressure changes with the special diet? Based on the findings of the test carried out, it is possible to conclude that...... A. systolic blood pressure does not change with special diet B. systolic blood pressure changes with special diet C. systolic blood pressure is lower with the special diet D. systolic blood pressure is higher with the special diet E. It is not possible to conclude anything regarding systolic blood pressure with the special dietTest the given claim. Identify the null hypothesis, alternative hypothesis, test satistic, P value, and then state the conclusion about the null hypothesis, as well as the final conclusion the orginal claim. Amoung 2029 passenger cars in a particular region, 231 had only rear lincense plates. Amoung 389 commerical trucks, 60 had only rear license plates. A reasonable hypothesis is that commerical trucks owners violate laws requiring front license plates at a higher rate than owners of passenger cars. Use a 0.05 significance level to test that hypothesis. Test the claim using a hypothesis test.Test the claim by constructing an appropriate confidence interval.
- It has been observed that some persons who suffer colitis, again suffer colitis within one year of the first episode. This is due, in part, to damage from the first episode. The performance of a new drug designed to prevent a second episode is to be tested for its effectiveness in preventing a second episode. In order to do this two groups of people suffering a first episode are selected. There are 55 people in the first group and this group will be administered the new drug. There are 45 people in the second group and this group will be administered a placebo. After one year, 11% of the first group has a second episode and 9% of the second group has a second episode. Conduct a hypothesis test to determine, at the significance level 0.1, whether there is reason to believe that the true percentage of those in the first group who suffer a second episode is different from the true percentage of those in the second group who suffer a second episode? Select the [Alternative Hypothesis,…It has been observed that some persons who suffer colitis, again suffer colitis within one year of the first episode. This is due, in part, to damage from the first episode. The performance of a new drug designed to prevent a second episode is to be tested for its effectiveness in preventing a second episode. In order to do this two groups of people suffering a first episode are selected. There are 170 people in the first group and this group will be administered the new drug. There are 132 people in the second group and this group wil be administered a placebo. After one year, 14% of the first group has a second episode and 18% of the second group has a second episode. What is a 90% confidence interval for the difference in true proportion of the two groups/Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correctsymbol (µ, p, Η) for the indicated parameter. An entomologist writes an article in a scientific journalwhich claims that fewer than 16 in ten thousand male fireflies are unable to produce light due to agenetic mutation. Use the parameter p, the true proportion of fireflies unable to produce light.
- Der. 2D 31For the given scenario determine the type of error that was made, if any .(hint begin by determining the null and alternative hypothesis. )A cell phone company claim only $50 as the main amount to its customers spend on cell phone service per month. One skeptical customer claims that the main amount its customers being on a cell phone service per month is different from $50. The skeptical consumer conduct a part of this test and fails to reject the null hypothesis. Assume that in reality the main amount its customers stand on cell phone service per month is $45. Was an error made? If so what type.It has been observed that some persons who suffer colitis, again suffer colitis within one year of the first episode. This is due, in part, to damage from the first episode. The performance of a new drug designed to prevent a second episode is to be tested for its effectiveness in preventing a second episode. In order to do this two groups of people suffering a first episode are selected. There are 118 people in the first group and this group will be administered the new drug. There are 127 people in the second group and this group wil be administered a placebo. After one year, 12% of the first group has a second episode and 13% of the second group has a second episode. Select a 90% confidence interval for the difference in true proportion of the two groups.