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:

Perceiving Differences

The act of recognizing or identifying variations or distinctions between subjects, items, or situations.

Class

A system of ordering society whereby people are divided into sets based on perceived social or economic status.

Category

A group or category of individuals or objects that are considered together because of similar attributes they possess.

Fundamental Attribution Error

The tendency for observers to overemphasize dispositional or personality-based explanations for behaviors observed in others while underemphasizing situational explanations.