Name Show all your work Section 10.4 In 2010, the proportion of students that worked was 75%. A researcher thinks the proportion has increased. A survey of 91 students revealed that 70 are working. Is there enough evidence to conclude the proportion has increased using a level of significance of 10%? a) State the null hypothesis: b) State the alternative hypothesis: c) Verify the test statistic is z = 0.42 d) Find the critical value and draw the rejection region. e) Can you reject the null hypothesis?

Name Show all your work Section 10.4 In 2010, the proportion of students that worked was 75%. A researcher thinks the proportion has increased. A survey of 91 students revealed that 70 are working. Is there enough evidence to conclude the proportion has increased using a level of significance of 10%? a) State the null hypothesis: b) State the alternative hypothesis: c) Verify the test statistic is z = 0.42 d) Find the critical value and draw the rejection region. e) Can you reject the null hypothesis?

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 23PFA

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