Conduct a Full Hypothesis Test and Determine If the Given

question 67

Multiple Choice

Conduct a full hypothesis test and determine if the given claim is supported or not supported at the 0.05 significance level. Round all amounts and standard scores to two decimal places.
-In the past, the mean running time for a certain type of flashlight battery has been 8.7 hours. The manufacturer has introduced a change in the production method which he hopes has increased the mean running time. The mean running time for a random sample of 40 light bulbs was 8.9 hours. Test whether the claim that the mean running time of all light bulbs has increased from the previous mean of 8.7 hours is supported or not supported. Assume that ? = 0.5 hours.

• A)not supported
• B)supported

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Definitions:

Staffing Policies

Guidelines and decisions regarding the recruitment, selection, training, and development of staff within an organization.

Environmental Scanning

The process of gathering, analyzing, and using information about trends, events, and relationships in an organization's external environment.

Strategic HR Planning

The process of aligning the organization’s human resource practices and policies with its long-term business goals and strategies.

Organizational Strategies

Organizational Strategies are plans and actions implemented by a company to achieve its long-term goals and objectives, often including growth, efficiency, and competitiveness.