The University Registrar Claims That Fewer Than 20 Percent of the Students

question 116

Multiple Choice

The university registrar claims that fewer than 20 percent of the students who enroll at Ivy University graduate in four years.To test this claim,a random sample of 100 students was selected,and 18 were found to have graduated in four years.Calculate the p-value associated with the test statistic.

• A)0.1587
• B)0.3085
• C)0.4168
• D)0.0001
• E)-0.3085

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Definitions:

Circadian Cycle

A natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours.

Cortisol

A steroid hormone produced by the adrenal glands, which plays a vital role in the body's response to stress.

Sleep-Wake Cycles

The natural, cyclic pattern of sleep and wakefulness in humans and other animals, governed by internal biological clocks and influenced by environmental factors.

Shift Work

Employment scheduling practice where workers' work hours rotate on a regular or irregular basis.