This Question: 5 pts 18 of 20 (6 complete) v This Test: 100 pts possible = Question Help A random sample of 823 births included 435 boys. Use a 0.05 significance level to test the claim that 50.7% of newborn babies are boys. Do the results support the belief that 50.7% of newborn babies are boys? Tdenuiy ne nuii and aiternauve nypouneses for is test. Choose ine correct ariswer pelow. O A. Ho: p= 0.507 H1:p<0.507 О В. Но: р#0.507 H1:p= 0.507 Ос. Но: р30.507 H1:p>0.507 O D. Ho: p= 0.507 H:p#0.507 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is 1.24 (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is 0.216 (Round to three decimal places as needed.) Click to select your answer(s). Test: Week 4 Final Exam (whole course) Time Remaining: 02:32:30 Submit Test This Question: 5 pts 18 of 20 (6 complete) ▼ This Test: 100 pts possible = Question Help A random sample of 823 births included 435 boys. Use a 0.05 significance level to test the claim that 50.7% of newborn babies are boys. Do the results support the belief that 50.7% of newborn babies are boys? Identify the P-value for this hypothesis test. The P-value for this hypothesis test is 0.216. (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. O A. Reject Ho. There is sufficient evidence to warrant rejection of the claim that 50.7% of newborn babies are boys. O B. Fail to reject Ho. There is not sufficient evidence to warrant rejection of the claim that 50.7% of newborn babies are boys. OC. Fail to reject Ho. There is sufficient evidence to warrant rejection of the claim that 50.7% of newborn babies are boys. O D. Reject Ho. There is not sufficient evidence to warrant rejection of the claim that 50.7% of newborn babies are boys. Do the results support the belief that 50.7% of newborn babies are boys? O A. The results support the belief that 50.7% of newborn babies are boys because there was no evidence to show that the belief is untrue. O B. The results do not support the belief that 50.7% of newborn babies are boys because there was sufficient evidence to show that the belief is untrue. O C. The results do not support the belief that 50.7% of newborn babies are boys; the results merely show that there is not strong evidence against the rate of 50.7%. O D. The results support the belief that 50.7% of newborn babies are boys because there was sufficient evidence to show that the belief is true. Click to select your answer(s).

Please find test statistic and p value. Thank you.

Run a single proportion test. Significance level= 0.05

You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test

Please explain how the bolded option is the correct answer

help

According to a survey conducted by the Association for Dressing and Sauces, 85% of American adults eat salad at least once a week. A nutritionist suspect that the percentage is higher that this. She conducts a survey of 200 American adults an finds that 171 of them eat salad at least once a week. Conduct the appropriate test that addresses the nutritionist's suspicions. Use the a = 0. 1 level of significance. What is the p-value? 0.85 0.855 0.1980 0.4215

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Estimate of the proportion p for a 95% confidence with a sample size ? = 400 and point estimate ?̂= 0.4 Please provide it neatly with indicated given, formula, solution, and answer.

A professional marketing survey involves product recognition in New York and California. Of 558 New York residents surveyed, 193 knew the product while 179 out of 614 Californians knew the product. 1. Test the claim that the recognition rates are greater in New York. 2. In which state does the product need the most help with name recognition? Use the given data to compare mean age of residents in Seaside and Marina. Sample Data * = 43.2 yr s = 4.7 yr n = 97 Seaside Before After 1. Test the claim that the mean age of seaside residents is equal to the mean age of Marina residents. 2. How would the result change if we use a = 0.01? Matched Pairs: Write the alternative hypothesis H₁, for each claim: 1. New engine management software will increase the gas mileage in your car. 2. My coaching will reduce your golf score. Difference An instructor gives a test before and after a lesson with these results from randomly selected students Before and After Data 54 70 = 61 Marina 56 s = 6.7 year…