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 7-7,80% of all the samples of 4 will have a sample mean of no more than how many hours from the population mean?
Correct Answer:
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Q1: TABLE 7-8
According to a survey,only 15% of
Q3: TABLE 7-8
According to a survey,only 15% of
Q4: TABLE 7-7
Times spent studying by students in
Q5: TABLE 7-7
Times spent studying by students in
Q6: TABLE 7-7
Times spent studying by students in
Q8: TABLE 7-8
According to a survey,only 15% of
Q9: TABLE 7-7
Times spent studying by students in
Q10: TABLE 7-8
According to a survey,only 15% of
Q11: TABLE 7-8
According to a survey,only 15% of
Q42: The use of the finite population correction
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