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- (i) State the hypotheses, identify the claim with the correct hypothesis, and determine whether it is a one-tailed or two-tailed test. (ii) Find the P-value. Round the answer to at least four decimal places. (iii) Make the decision and summarize the results.(i) State the hypotheses, identify the claim, and determine if the hypothesis test is one or two-tailed. (ii) Find the P-value. Round the answer to at least four decimal places. (iii) Make the decision.B. Calculate the P-value. P-value=____ C. What is the conclusion for this hypothesis test? Reject H0. or Fail to reject H0?
- Using traditional methods it takes 10.9 hours to receive a basic flying license. A new license training method using Computer Aided Instruction (CAI) has been proposed. Set up the hypotheses to test the claim at the 0.05 level that the new technique reduces the training time. State the null and alternative hypotheses for the above scenarioUsing traditional methods it takes 8.5 hours to receive a basic flying license. A new license training method using Computer Aided Instruction (CAI) has been proposed. Set up the hypotheses to test the claim at the 0.01 level that the new technique lengthens the training time. State the null and alternative hypotheses for the above scenario.Test the claim that an increase of 5 hours of work results on average in 10 points lower test scores. State the null and the alternative hypotheses.
- A study compared the achievement scores (on an interval scale from 0 to 20) on an academic test of 10 males and 10 females tested either early in the day or late in the day. The data are in Table 5 below. Do males and females differ in their academic performance depending on whether they write the assessments early or late in the day? Test at an alpha at 0.05 and use all of the steps of hypothesis testing.what is the chi-square test for goodness of fit for the study (use the 0.01 level)State the null and research hypotheses?Determine the cutoff sample score at which the null hypothesis should be rejected.?what is the cutoff score ? Solve for A-F based on the chart attached?The USDA limit for salmonella contamination for chicken is 20%. A meat inspector reportsthat the chicken produced by a company exceeds the USDA limit. You perform a hypothesis testto determine whether the meat inspector’s claim is true.When will a type I error occur? Explain using the above context
- The P value is_. Round to three decimal places as needed. to test the null hypothesis Should we reject or do not reject the hypothesis?The mean annual income of workers who studied statistics is greater than $86,794. Is the original claim the null or alternative hypothesis? null alternative What are the correct hypotheses? (Select the correct symbols.)H0: Select an answer p x̄ σ p̂ μ σ² s s² ? ≥ ≤ = > < ≠ $H1: Select an answer p s² p̂ σ σ² s μ x̄ ? < ≥ ≠ = ≤ > $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: ?