Question

The Majoring in Money study by Salie Mac from December 2016 shorncd hat most collige students manage ther arcait cards in a ressonable way. shared that almost two thirds of students pay ther credit card balance in full every month and 28 of students who can credit cards make partial payments that axceed the minimum amount d.R. You are arbus to find out if credit card payment behavior of students has changar shoe 21145 and salect data from a random sample of 371. shudents. You find that students are making partial payments on their cradtcams that acred the minimum amount dus Using =001, complete para a anda below a. Does the sample provide support for the hypothesis that the proportion of students who make partial payments that exceed the minimum amount has denred since 20157 Determine the nul and alamative hypotheses. Choose the correct ansaer below. A. HD 128 Has1.28 B. Hin11.28 E: 0.28 OCH -0.28 H.: +0.26 OD 80.28 H.:p>0.24 Datorming the arcal value of the best statstin Type an inleger or decimal rounded to two decimal place sa reeded.) Calathe test statistic 2-0 TYFC a meger or deamal rounded to two decmai places as needed.) Determine the conduion. Choose the correct answer belum O A. Do natreet H, There is sufficient evidence to canclude that the proper.on of students whamske partial payments that exceed themnimum amount has decreased since 2015. OB. React Hy. There is not sufficient Avidance to conclude that the proportion of students who make partial payments that Axtar lhe minimum amount has decreased since 2015. OC. Do not reject H There is not sufficient evidence to condude that the proportion of students who make partial payments that exceed the minimum amount has decreased since 2015 OD. Reject He. There is suficient wriderce lo conduce at the proportion of students who makes parla payments that exceed the minimum amount has decreased since 2015 b. Determine the p-value for this test p-value Type an inleger or devinal rounded to four decimal places as needed.

Answer 1

Given -0.28 n=370 x=69 - 69 P: 28% 370 = 0.1865 Hoo P20.28 Hii Pc c.28 option B 2x = 0 cool Za = Zool - 2.33 from 2 table at p.o.o. Critical Zx = -2.33 Test Statistics ip -0.0935 Zp 0.1865 -0.28 6-28x6-4.25) 370 (PCI-P) 0.02334 2.5-4.01 There Zp--4.01 < 2x=-233 Reject Ho is Sufficient evidence foption Dis Correct Povabe: - P[za <-4.01] Excel E NOIRMS DIST (-4.01) is C. Using 0.0000304 P: 0.0000