A consumer group believes that more than 30% of Filipinos owns more than 2 cellphones. They surveyed 800 Filipinos with the result that 250 of them owns more than 2 cellphones to test their claim. Use a 0.05 level of significance. Part 1. Which of the following is the appropriate set of null and alternative hypotheses? [Select] A. Ho: The proportion of Filipinos owning more than 2 cellphones is at most 30%. Ha The proportion of Filipinos owning more than 2 cellphones is greater than 30%. The proportion of Filipinos owning more than 2 cellphones is greater than 30%. Ha The proportion of Filipinos owning more than 2 cellphones is at most 30%. C, Ho: Filipino owns at most 2 cellphones. B. Ho Ha Filipino owns more than 2 cellphones. D. Ho Filipino owns more than 2 cellphones. Ha Filipino owns at most 2 cellphones. Part II. What is the computed test statistic and decision? [ Select] z=-0.7715, The claim of the consumer group is true. z= 0.7715, The claim of the consumer group is ftrue. z = 0.7715, The claim of the consumer group is false. z=-0.7715, The claim of the consumer group is false. [Select]

A consumer group believes that more than 30% of Filipinos owns more than 2 cellphones. They surveyed 800 Filipinos with the result that 250 of them owns more than 2 cellphones to test their claim. Use a 0.05 level of significance. Part 1. Which of the following is the appropriate set of null and alternative hypotheses? [Select] A. Ho: The proportion of Filipinos owning more than 2 cellphones is at most 30%. Ha The proportion of Filipinos owning more than 2 cellphones is greater than 30%. The proportion of Filipinos owning more than 2 cellphones is greater than 30%. Ha The proportion of Filipinos owning more than 2 cellphones is at most 30%. C, Ho: Filipino owns at most 2 cellphones. B. Ho Ha Filipino owns more than 2 cellphones. D. Ho Filipino owns more than 2 cellphones. Ha Filipino owns at most 2 cellphones. Part II. What is the computed test statistic and decision? [ Select] z=-0.7715, The claim of the consumer group is true. z= 0.7715, The claim of the consumer group is ftrue. z = 0.7715, The claim of the consumer group is false. z=-0.7715, The claim of the consumer group is false. [Select]

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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