Test Whether He Given Claim Is Supported or Not Supported

question 10

Multiple Choice

Test whether he given claim is supported or not supported using a 0.05 significance level. Assume that the sample has been randomly selected from a population with a normal distribution.
-A trucking firm suspects that the mean life of a certain tire it uses is less than 34,000 miles. To check the claim, the firm randomly selects and tests 18 of these tires and gets a mean lifetime of 33,400 miles with a standard deviation of 1200 miles. Use a 0.05 significance level to test whether the trucking firm's claim is supported or not supported.

• A)supported
• B)not supported

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Definitions:

Eco-friendly Vision

A strategic outlook or plan that emphasizes sustainability and minimal environmental impact.

Sustainably Sourced

Referring to goods or materials obtained through methods that do not deplete the resources used or harm the environment, often supporting long-term ecological balance.

Ethical Climate

The collective understanding within an organization about what is deemed right or wrong, significantly influencing individual and group decision-making behaviors.

Ethical Behavior

Conduct based on recognized principles of right and wrong, guiding professional and personal actions in a morally responsible way.