eachers 400 USE SALT 55 420 55 70 a hypothesis test to determine if there is convincing evidence that the proportions falling into the five First Amendment rights categories are not the same Use a significance level of a = 0.01. the test statistic. (Round your answer to two decimal places.) ology to calculate the P-value. (Round your answer to four decimal places.) conclusion in the problem context. to reject Ho. There is convincing evidence that the proportions falling into the five First Amendment rights categories are not the same for teachers and stu ct Ho. There is not convincing evidence that the proportions falling into the five First Amendment rights categories are not the same for teachers and stude ct Ho. There is convincing evidence that the proportions falling into the five First Amendment rights categories are not the same for teachers and students. to reject Ho. There is not convincing evidence that the proportions falling into the five First Amendment rights categories are not the same for teachers and

E Question Help According to a newspaper, 78% of high school seniors have a driver's license. Suppose we take a random sample of 200 high school seniors and find the proportion who have a driver's license. a. What value should we expect for our sample proportion? b. What is the standard error? c. Use your answers to parts (a) and (b) to complete this sentence: We expect d. Suppose we increased the sample size from 200 to 800. What effect would this have on the standard error? Recalculate the standard error to see if your prediction was correct. % to have their driver's license, give or take %. a. We should expect a sample proportion of %. (Type an integer or a decimal. Do not round.) b. The standard error is (Type an integer or decimal rounded to three decimal places as needed.) c. Use your answers to fill in the blanks below. We expect % of students to have a driver's license, give or take %. (Type integers or decimals rounded to one decimal place as needed.) d. Select the correct…

Do a hypothesis for the following, make sure to include and label all five steps:             Test the claim that tutoring influences a student’s test scores. Use a 0.01 level of significance. Use the following before and after scores for 5 students.   Before 78 79 65 78 68 After 85 83 62 85 79

Social networking is becoming more and more popular around the world. Pew Research Center used a survey of adults in several countries to determine the percentage of adults who use social networking sites (USA Today, February 8, 2012). Assume that the results for surveys in Great Britain, Israel, Russia and United States are as follows. Country Use Social Great United Networking Sites Britain Israel Russia States Yes 344 265 301 500 No 456 235 399 500 a. Conduct a hypothesis test to determine whether the proportion of adults using social networking sites equal for all four countries. Using a .05 level of significance. Use Table 12.4. 1. H, P + P, = P; = P. 2. H, P = P: = P, = P. 3. H, P, * P: = P, P, Choose correct answer from above choice Select your answer - V H a:- Select your answer The p-value is - Select your answer - What is your conclusion? |- Select your answer - b. What are the sample proportions for each of the four countries? Round your answers to two decimal places. Great…

Use the sample data below to test the hypotheses Ho: P₁ = P₂ = P3 Ha: not all population proportions are equal where p; is the population proportion of Yes responses for population i. Response Yes No Populations 145 2 3 155 96 95 155 104 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value Using a 0.05 level of significance, state your conclusion. O Do not reject Ho. We cannot conclude that not all population proportions are equal. O Do not reject Ho. We conclude that not all population proportions are equal. O Reject Ho. We conclude that not all population proportions are equal. Reject Ho. We cannot conclude that not all population proportions are equal.

Please Answer d,e,f Please provide typed answer. ONLY TYPED ANSWERS

Use the sample data below to test the hypotheses Ho: P₁ = P₂ = P3 H₂: not all population proportions are equal where P₁ is the population proportion of Yes responses for population i. Response Yes No Populations 1 23 145 140 111 95 140 119 Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, state your conclusion. O Do not reject Ho. We cannot conclude that not all population proportions are equal. O Do not reject Ho. We conclude that not all population proportions are equal. O Reject Ho. We cannot conclude that not all population proportions are equal. O Reject Ho. We conclude that not all population proportions are equal.

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3) Examine your t-test score in the paired samples t-test table. Is the p value significant? State in one to two sentences whether the test was significant and interpret this result.

Some experts believe that 16% of all freshwater fish in a country have such high levels of mercury that they are dangerous to eat. Suppose a fish market has 200 fish tested, and 29 of them have dangerous levels of mercury. Test the hypothesis that this sample is not from a population with 16% dangerous fish, assuming that this is a random sample. Use a significance level of 0.05. Comment on your conclusion. State the null and alternative hypotheses. О А. Но: р30.16 Hạ: p+0.16 В. Но: р#0.16 Ha: p= 0.16 Ос. Но: р> 0.16 Hại p0.16 ОЕ. Но: р0.16 Determine the z-test statistic. Z= (Round to two decimal places as needed.) Find the p-value. p-value = (Round to three decimal places as needed.)