A Machine Is Set to Pump Cleanser into a Process

question 231

Multiple Choice

A machine is set to pump cleanser into a process at the rate of 10 gallons per minute. Upon inspection, it is learned that the machine actually pumps cleanser at a rate described by the uniform distribution over the interval 9.5 to 12.5 gallons per minute. What is the probability that at the time the machine is checked it is pumping more than 11.0 gallons per minute?

• A) .25
• B) .667
• C) .50
• D) .7692

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Definitions:

Sociocultural Psychologists

Professionals in psychology who examine how social and cultural factors influence human behavior and mental processes.

The Mind

The set of cognitive faculties that encompasses consciousness, perception, thinking, judgement, and memory.

Experimental Group

The group in an experiment that receives the variable being tested, as opposed to the control group which does not.

Structuralists

Scholars and psychologists who analyze the human mind and behavior through the understanding of the underlying structures.