2. Out of a sample of 200 gaming systems, 4 units were found to be defective. The industry standard for such systems under normal conditions is three percent defective. We would like to determine, at a 90% confidence interval, if the percentage of defective units is below industry standards. a. State the null and alternative hypotheses. b. Determine the z-score associated with the level of significance a. C. Compute test statistic.
2. Out of a sample of 200 gaming systems, 4 units were found to be defective. The industry standard for such systems under normal conditions is three percent defective. We would like to determine, at a 90% confidence interval, if the percentage of defective units is below industry standards. a. State the null and alternative hypotheses. b. Determine the z-score associated with the level of significance a. C. Compute test statistic.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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![2. Out of a sample of 200 gaming systems, 4 units were found to be defective. The industry
standard for such systems under normal conditions is three percent defective. We would like to
determine, at a 90% confidence interval, if the percentage of defective units is below industry
standards.
a. State the null and alternative hypotheses.
b. Determine the z-score associated with the level of significance a.
C. Compute test statistic.
Method 2: critical value
Method 1: p-value](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc31825ca-e532-4346-8c67-c6f0bc8ad95c%2Fc441ef71-b820-4c4d-b89f-a86d3ed4eb4b%2Fnbxssr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. Out of a sample of 200 gaming systems, 4 units were found to be defective. The industry
standard for such systems under normal conditions is three percent defective. We would like to
determine, at a 90% confidence interval, if the percentage of defective units is below industry
standards.
a. State the null and alternative hypotheses.
b. Determine the z-score associated with the level of significance a.
C. Compute test statistic.
Method 2: critical value
Method 1: p-value
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