4% of Trucks of a Certain Model Have Needed New

question 5

Multiple Choice

4% of trucks of a certain model have needed new engines after being driven between 0 and 100 kilometres.The manufacturer hopes that the redesign of one of the engine's components has solved this problem.

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Definitions:

Significance Level

A statistical term that measures the probability of rejecting the null hypothesis when it is actually true, often denoted by alpha (α).

Higher Sales

An increase in the quantity of goods or services sold, often regarded as a key indicator of business performance and growth.

Gross Revenue

The total amount of money earned by a business from its sales before any costs or expenses are subtracted.

Big-Name Stars

High-profile celebrities or well-known personalities, especially in the entertainment industry, who have significant recognition or fame.