M math - fiona.grace.willi x Go to WeBWork x Course Hero X WeBWork : MATH220_4 x G what does it mean if a x | G is the p value the probe x + F C webwork.lib.jmu.edu/webwork2/MATH220_4101_4W1_SM22/Homework_6/7/?effectiveUser=williafg&user=williafg&key=qnbQ6nCuElqDSy8b1BCe5F1j7jTW2KOi IN acj Ma TIVITIC IVOIR Problem 7 User Settings Previous Problem List Next Grades The U.S. and many other countries have recently tightened airport security. A sociologist is interested in estimating the proportion of the travelers who feel that Problems airports are safe. The sociologist found that 300 of the 400 travelers randomly selected and interviewed indicated that the airports were safe. With an a level of 0.1, conduct a test to determine whether the true proportion of interest is higher than 0.7. (a) State the null and alternative hypotheses. Problem 1 / Problem 2 V Ho : P = 0.7 Problem 3 Problem 4 Ha : P > 0.7 Problem 5 X Problem 6 (b) Calculate the test statistic. Problem 7 Problem 8 Z = P - Po (Keep at least four decimal places.) VPo (1 - Po) In (c) Calculate the p-value. (Keep at least four decimal places.) (d) State the decision. select the null hypothesis. Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 1 time. Your overall recorded score is 57%. 2:15 Type here to search O C 77.F Partly sunny 6/10/2