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, 10% of all the samples of 4 will have a sample mean of at least how many hours below the population mean?
Correct Answer:
Verified
Q41: TABLE 7-2
According to a survey, only 15%
Q42: TABLE 7-2
According to a survey, only 15%
Q43: TABLE 7-1
Times spent studying by students in
Q43: You use the finite population correction factor
Q44: TABLE 7-2
According to a survey, only 15%
Q45: TABLE 7-1
Times spent studying by students in
Q48: TABLE 7-2
According to a survey, only 15%
Q49: TABLE 7-2
According to a survey, only 15%
Q50: TABLE 7-1
Times spent studying by students in
Q51: TABLE 6-1
A company has 125 personal computers.
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