Problem#3 19. You Explain It! ATM Withdrawals According to the Crown ATM Network, the mean ATM withdrawal is $67. PayEase, Inc., manufacturers an ATM that allows one to pay bills (electric, water, parking tickets, and so on), as well as withdraw money. A review of 40 withdrawals shows the mean withdrawal is $73 from a PayEase ATM machine. Do people withdraw more money from a PayEase ATM machine? . (a) Determine the appropriate null and alternative hypo- theses to answer the question. (b) Suppose the P-value for this test is 0.02. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a = 0.05 level of significance. Answers: Reject H0: p-value 0.02 < 0.05

Problem#3 19. You Explain It! ATM Withdrawals According to the Crown ATM Network, the mean ATM withdrawal is $67. PayEase, Inc., manufacturers an ATM that allows one to pay bills (electric, water, parking tickets, and so on), as well as withdraw money. A review of 40 withdrawals shows the mean withdrawal is $73 from a PayEase ATM machine. Do people withdraw more money from a PayEase ATM machine? . (a) Determine the appropriate null and alternative hypo- theses to answer the question. (b) Suppose the P-value for this test is 0.02. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a = 0.05 level of significance. Answers: Reject H0: p-value 0.02 < 0.05

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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