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

question 1

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 7-7,5% of all the samples of 4 will have a sample mean of at least how many hours above the population mean?

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Definitions:

Nucleus

The central and most important part of an object, movement, or group, forming the basis for its activity and growth.

Dendrites

Branch-like extensions of neurons that receive electrical messages from other nerve cells.

Efferent Nerves

Nerve fibers that carry signals away from the central nervous system towards the muscles to cause movement.

Afferent Nerves

Nerves that carry sensory information from the body's periphery towards the central nervous system.