approach. Be sure to verify the requirements of the test. Ho: p=0.3 versus H₁: p>0.3 n=200; x=65; α=0.05 Click here to view page of the table Click here to view page 2 of the table. (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.) Choose the correct result of the hypothesis test for the P-value approach below. OA. Reject the null hypothesis, because the P-value is less than a. OB. Do not reject the null hypothesis, because the P-value is greater than a OC. Do not reject the null hypothesis, because the P-value is less than a OD. Reject the null hypothesis because the P-value is greater than a ***** 45
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- The quality inspector of a certain factory states that 3% of outgoing products have major defects. A sample of 200 products have 5 defective products. Is there strong evidence that the statement of the quality inspector is true? Use ?=0.05 Find the: Parameter of interest: ? Null hypothesis: ? Alternative hypothesis: ? Test statistic: ? Reject H0 if: ? Computations: ? Conclusion: ?A refrigerator manufacturer claims that the mean life of its refrigerators is greater than 13 years. You are asked to perform a hypothesis test to test this claim. (a) How would you write the null and alternative hypothesis if you represent the manufacturer and want to support the claim? (b) How would you write the null and alternative hypothesis if you represent the competitor and want to reject the claim? Question content area bottom Part 1 (a) H0: ▼ sigmaσ sigma squaredσ2 pp muμ ▼ less than< less than or equals≤ not equals≠ greater than or equals≥ greater than> 13 Ha: ▼ sigmaσ pp muμ sigma squaredσ2 ▼ greater than or equals≥ less than< less than or equals≤ greater than> not equals≠ 13 Part 2 (b) H0: ▼ sigmaσ pp sigma squaredσ2 muμ ▼ greater than> less than< not equals≠ less than or equals≤ greater than or equals≥ 13 Ha: ▼ sigma squaredσ2 muμ…how do i put part c into the computer? Takeout Food A magazine article reported that 15% of adults buy takeout food every day. A fast-food restaurant owner surveyed 220 customers and found that 42 said that they purchased takeout food every day. At =α0.05, is there evidence to believe the article's claim? Use the critical value method with tables. Do not round intermediate steps. (a)State the hypotheses and identify the claim. (b)Find the critical value(s). (c)Compute the test value. (d)Make the decision. (e)Summarize the results.
- A refrigerator manufacturer claims that the mean life of its competitor's refrigerators is less than 17 years. You are asked to perform a hypothesis test to test this claim. (a) How would you write the null and alternative hypothesis if you represent the manufacturer and want to support the claim? (b) How would you write the null and alternative hypothesis if you represent the competitor and want to reject the claim? Question content area bottom Part 1 (a) H0: ▼ pp sigma squaredσ2 sigmaσ muμ ▼ less than< less than or equals≤ greater than or equals≥ greater than> not equals≠ 17 Ha: ▼ sigma squaredσ2 sigmaσ pp muμ ▼ not equals≠ less than or equals≤ greater than or equals≥ less than< greater than> 17Step 2: Compute the value of the t test statistic. Round your answer to three decimal places. Step 3: Determine the decision rule for rejecting the null hypothesis H0H0. Round your answer to three decimal places. Step 4 : State the test's conclusion. Is it Reject null Hypothesis or fail to reject null hypothesis?Step 2 of 3: Find the P-value for the hypothesis test. Round your answer to four decimal places. Step 3 of 3: Make the decision to reject or fail to reject the null hypothesis.
- Which is not a step in hypothesis testing? A. Determine or establish alpha B. Determine or establish beta C. Calulate or look up the critical value(s) D. Calculate the test statistic E. All of the above F. None of the aboveB. Find the P-value. ____ (Rounded 3 decimal places, as needed) b1. What is the conclusion for this hypothesis test? Fail to reject H0 or Reject H0? b2. What do the displayed Bonferroni results tell us? There (is/ is not) a significant difference between the No Treatment and Fertilizer groups. There (is/is not) a significant difference between the No Treatment and Irrigation groups. There (is/is not) a significant difference between the No Treatment and Fertilizer and Irrigation groups. C.Use the Bonferroni test procedure with a 0.10significance level to test for a significant difference between the mean amount of the irrigation treatment group and the group treated with both fertilizer and irrigation. Identify the test statistic and the P-value. What do the results indicate? The test statistic is____ (rounded 2 decimal places) c1. Find the P-value ____ (rounded 3 decimal places, as needed) c2. What do the results indicate? Reject H0 or fail to reject H0?Step 1 of 3 : State the null and alternative hypotheses for the test. Fill in the blank below. H0: μd=0 Ha: μd⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯0 Step 2: What is the test statistic? Step 3: Do we reject the null hypothesis? Is there sufficient or insufficient data?
- alpha here is 0.5this question is under statistical inferenceA supplier claims that the true mean electrical resistance of wiring harnesses of a certain model is 30 ohms. A manufacturer that uses this harness wants to test whether this claim is true. Which of the following is the correct pair of hypotheses to use for this hypothesis test? Pick the right answer below by quoting the numbered point. 1. H0:μ=30 and H1:μ≠30 2. H0:μ⩾30 and H1:μ<30 3. H0:μ⩽30 and H1:μ>30 4. H0:μ≠30 and H1:μ=30 5. H0:μ<30 and H1:μ⩾30 6. H0:μ>30 and H1:μ⩽30a. Which of the two excel outputs above is the correct result of the data?b. What is the appropriate set of hypotheses for this test?c. From the given results above, which test is appropriate to test the significant difference between the heat-producing capacities of the coal from the mines?d. What is the t- critical value?e. What is the p-value?f. At α=0.05, what is the correct decision?