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:

Total Costs

The aggregate of all expenses associated with manufacturing products or services, which includes fixed and variable costs.

Most Efficient Output

The level of production at which a firm achieves the lowest possible cost per unit, maximizing productivity and minimizing waste.

Short Run

A period in economic analysis where at least one input is fixed and cannot be adjusted by firms, contrasting with the long run where all inputs are variable.

Total Profit

The amount of financial gain made by a business or individual after accounting for all expenses and costs.