TABLE 7-1 Times Spent Studying by Students in the Week Before Final

question 219

Short Answer

TABLE 7-1
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 7-1, what is the probability that the sample mean is more than 3 hours below the population mean?

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Definitions:

Creativity

The ability to generate novel and useful ideas, solutions, or products through imaginative thought processes and original thinking.

Positive Correlation

A relationship between two variables where both either increase or decrease together.

Negative Correlation

A connection between two factors where as one escalates, the other diminishes.

Mood Disorders

A category of mental health issues that primarily affect a person’s emotional state, such as depression and bipolar disorder.