A company gives the percentage of defective products as 6% or less. Use the sample below to calculate the test statistics that would be used to determine if this has increased. Round 2 decimal places. Sample size = 50 Number defective = 5
A company gives the percentage of defective products as 6% or less. Use the sample below to calculate the test statistics that would be used to determine if this has increased. Round 2 decimal places. Sample size = 50 Number defective = 5
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 2CR
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Question
A company gives the percentage of defective products as 6% or less. Use the sample below to calculate the test statistics that would be used to determine if this has increased. Round 2 decimal places.
Sample size = 50
Number defective = 5
Expert Solution
Step 1
Given:
The significance level is taken as 0.05.
Step 2
Hypothesis:
H0:The percentage of defective is less than or equal to 6%.
H1:p>0.6
H1: The percentage of defective is greater than 6%.
Test statistic
Test statistic =1.19
using the excel formula "=1-NORM.S.DIST(1.19,TRUE)" p-value =0.117
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