Use the Following Information to Answer the Question

question 30

Short Answer

Use the following information to answer the question. A manager at a large office supply store believes that her supply of pencils has a defect rate that is higher than the defect rate stated by the manufacturer. The manager's null hypothesis is that the supply of pencils has a defect rate of p = 0.025 (the pencil manufacturer's stated defect rate). Suppose we do a test with a significance level of 0.05. Symbolically, the null and alternative hypothesis are as follows: H₀: p = 0.025 and H_a: p > 0.025.
-Suppose the store manager tests 150 pencils and finds that 9 are defective. Calculate the z test statistic. Round to the nearest hundredth.

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Definitions:

Altered Vital Sign

Any deviation from the normal range of the body's vital signs (temperature, pulse, respiration, and blood pressure) indicating a potential medical condition or health issue.

High School Students

Adolescents who are enrolled in high school, typically between the ages of 14 and 18, and are undergoing secondary education.

Coping Measurement

The evaluation of an individual's strategies and abilities to manage stress or adversity.

Negative Stressors

Factors or situations that cause stress and negatively impact an individual's physical or mental health.