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Do Homework Genessis Macias ps://www.mathxl.com/Student/PlayerHomeworkaspx?homeworkld-3 Student/PlayerHomework.aspx?homeworkld-307006409&questionld-3;&flushed-false;&cld; 3451184& Genessis Macias 12/10 ework: Chapter Nine Homework 9.2.6 Ex. Scores 1 of 4 pts Hw Score: 69.49% (41 of 59 pts) Use a significane level of a -0.1 to test the claim that pUse theTreatment Group given sample sizes and numbers of successes to find (a) the pooled estimate p. (b) the z test 25 of 28 complete Placebo Group estimate P. (b) the z test statistic, (e) the critical z-values,and () the P-value. H Help Me Soh n500 x 50 n- 720 x2-90 a view an Exar (a) P-0.115 (Round to three decimal places as needed.) Textbook (b)2 (Do not round until the final answer. Then round to two decimal places as needed.) Tech Help Print Enter your answe cick Check Anoer Question 22 (3/3) Ps 80 8

Explanation / Answer

z- value = -1.35

Data Hypothesized Difference 0 Level of Significance 0.1 Group 1 Number of Items of Interest 50 Sample Size 500 Group 2 Number of Items of Interest 90 Sample Size 720 Intermediate Calculations Group 1 Proportion 0.1 Group 2 Proportion 0.125 Difference in Two Proportions -0.025 Average Proportion 0.114754098 Z Test Statistic -1.347396078 Two-Tail Test Lower Critical Value -1.644853627 Upper Critical Value 1.644853627 p-Value 0.177852703 Do not reject the null hypothesis

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