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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A form of diplomacy that utilizes unofficial channels or secret negotiations to discreetly manage conflicts or discuss issues between states or organizations, often to prepare the ground for formal negotiations or to explore potential compromises without public scrutiny.

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