Examlex
Certain transportation company has a fleet of 210 vehicles.The average age of the vehicles is 4.25 years, with a standard deviation of 18 months.In a random sample of 40 vehicles, what is the probability that the average age of vehicles in the sample will be less than 4 years?
Scientific Investigation
A systematic process for acquiring new knowledge about the natural world based on observable, empirical evidence.
Analyse
To examine something in detail in order to understand it better or discover more about it.
Report Findings
The process of formally presenting results or discoveries from research, investigations, or assessments to a relevant audience.
Standardised Psychological Test
An assessment tool that is administered and scored in a consistent, or "standard", manner to measure psychological constructs.
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