TABLE 7-7 Times Spent Studying by Students in the Week Before Final

question 19

Short Answer

TABLE 7-7
Times spent studying by students in the week before final exams follow a normal distribution with standard deviation 8 hours.A random sample of 4 students was taken from a population of 50 in order to estimate the mean study time for the population of all students.Use the finite population correction.
-Referring to Table 7-7,what is the probability that the sample mean is more than 3 hours below the population mean?

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Definitions:

Unconditioned Stimulus

A stimulus that instinctively elicits a response without any prerequisite learning.

Conditioned Response

An acquired reaction to a stimulus that was once neutral, now associated with a stimulus that elicits an innate response.

Unconditioned Response

An automatic and involuntary reaction to a stimulus that occurs naturally, without any prior learning.

Classical Conditioning

A behavioral training method where the consistent pairing of two stimuli results in a response originally elicited by the second stimulus being ultimately elicited by the first stimulus.