Week 7 Question 27, 11.2.11-T HW Score: 44.7%, 12.52 of 28 O Part 1 of 4 points O Points: 0 of 1 Save The accompanying table shows results of challenged referee calls in a major tennis tournament. Use a 0.05 significance level to test the claim that the gender of the tennis player is independent of whether a call is overturned Click the icon to view the table. Determine the null and alternative hypotheses. O A. Ho: Male tennis players are more successful in overturning calls than female players. Hy: Male tennis players are not more successful in overturning calls than female players. O B. Ho: Male tennis players are not more successful in overturning calls than female players. Hy: Male tennis players are more successful in overturning calls than female players. O C. Ho: The gender of the tennis player is independent of whether a call is overturned. Hy: The gender of the tennis player is not independent of whether a call is overturned. O D. Ho: The gender of the tennis player is not independent of whether a call is overturned. Clear all Check answe Get more help - PearsonQuestion 24, 11.1.3 HW Score: 44.7%, 12.52 of 28 Part 1 of 4 points O Points: 0 of 1 Save random sample of 772 subjects was asked to identify the day of the week that is best for quality family time. Consider e claim that the days of the week are selected with a uniform distribution so that all days have the same chance of ing selected. The table below shows goodness-of-fit test results from the claim and data from the study. Test that im using either the critical value method or the P-value method with an assumed significance level of a = 0.05. Test statistic, Num Categories x2 331.871 Degrees of freedom 6 Critical x2 12.592 Expected Freq 110.2857 P-Value 0.0000 . . . termine the null and alternative hypotheses. Clear all Check answer Get more help P PearsonWeek 7 HW Score: 44.7%, 12.52 of 28 Question 21, 10.4.1 O points O Points: 0 of 1 Save Using the lengths (in.), chest sizes (in.), and weights (Ib) of bears from a data set, a researcher gets the regression equation below. Weight - - 274 + 0.426 Length + 12.1 Chest Size Identify the response and predictor variables in this regression equation. Select the correct response. A. The response variables are length and chest size and the predictor variable is weight. O B. The response variable is weight and the predictor variables are length and chest size. O C. The response variable is chest size and the predictor variables are weight and length. OD. The response variable is length and the predictor variables are weight and chest size. Clear all Final check nore help -Question 23, 11.1.2 . 44. / 90, 12.52 of 28 points O Points: 0 of 1 Save The table below lists leading digits of 317 inter-arrival Internet traffic times for a computer, along with the frequencies of leading digits expected with Benford's law. When using these data to test for goodness-of-fit with the distribution described by Benford's law, identify the null and alternative hypotheses. Leading Digit 1 2 3 4 5 6 7 8 9 Benford's Law 30.1% 17.6% 12.5% | 9.7% 7.9% 6.7% 5.8% 5.1% 4.6% Leading Digits of Inter-Arrival Traffic 76 62 29 33 19 27 28 21 22 Times . . . O A. Ho: P1 = 0.301 and P2 = 0.176 and p3 = 0.125 and ... and Pg = 0.046 H : None of the proportions are equal to the given claimed value. O B. Ho: P1 = 0.301 and P2 = 0.176 and p3 = 0.125 and ... and pg = 0.046 Hy : At least one of the proportions is not equal to the given claimed value. O C. Ho: P1 = 0.301 and P2 = 0.176 and p3 = 0.125 and ... and pg = 0.046 Clear all Check answer re help - P Pearsonoge... Army NG G1 Portal d Week 7 Question 22, 10.5.5-T HW Score: 44.7%, 12.52 of 28 Part 1 of 2 points O Points: 0 of 1 Save An experiment involves dropping a ball and recording the distance it falls (y) for different times (x) after it was released. Construct a scatterplot and identify the mathematical model that best fits the given data. Assume that the model is to be used only for the scope of the given data, and consider only linear, quadratic, logarithmic, exponential, and power models. Time (seconds) 0.5 1.5 2 2.5 3 Distance (meters) 1.2 4.8 10.7 18.7 28.5 39.9 . . . O A. O B. O C. OD. Ay Ay 50- 50- 50- 50- 40- 40- 40- 40- O 30- 30- 30- O 30- O 20- O 20- 20- 20- O 10- O 10- 10- 10- X X O O- O- O- Clear all Check answer Get more help - Pearsoneek 7 Question 26, 11.2.3 HW Score: 44.7%, 12.52 of 28 Part 1 of 4 points O Points: 0 of 1 Save The following table lists results from an experiment designed to test the ability of dogs to use their extraordinary sen of smell to detect malaria in samples of children's socks (based on data presented at an annual meeting of the American Society of Tropical Medicine, by principal investigator Steve Lindsay). The accompanying information sho the hypotheses and TI-83/84 Plus calculator results for the experiment. Assume that the hypothesis test requiremen are all satisfied. Complete parts (a) through (c) below. Malaria Was Present Malaria Was Not Present Dog Was Correct 123 131 Dog Was Wrong 52 14 i Click the icon to view the hypotheses and the calculator output. a. Identify the test statistic and the P-value, and then state the conclusion about the null hypothesis. The test statistic is (Round to two decimal places as needed.) Clear all Check answer re help ~ek 7 Question 25, 11.1.6 HW Score: 44.7%, 12.52 of 28 Part 1 of 3 points O Points: 0 of 1 Save conduct the hypothesis test and provide the test statistic and the critical value, and state the conclusion. person randomly selected 100 checks and recorded the cents portions of those checks. The table below lists those ents portions categorized according to the indicated values. Use a 0.10 significance level to test the claim that the fo ategories are equally likely. The person expected that many checks for whole dollar amounts would result in a isproportionately high frequency for the first category, but do the results support that expectation? ents portion of check 0-24 25-49 50-74 75-99 umber 33 23 19 25 lick here to view the chi-square distribution table. . . . e test statistic is ound to three decimal places as needed.) Clear all Check answer Get more help