Recently, a university surveyed recent graduates of the English Department for their starting
Salaries. Four hundred graduates returned the survey. The average salary was $25,000. The
Population standard deviation is known to be $2,500.
Interpret the results of the 95% conﬁdence interval.
A) The population mean is in the interval.
B) The population mean is not in the interval.
C) The likelihood that any conﬁdence interval based on a sample of 400 graduates will contain the population mean is 0.95.
D) There is a 95% chance that the computed interval does not contain the population mean.

Question

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The likelihood that any conﬁdence interval based on a sample of 400 graduates will

Recently, a University Surveyed Recent Graduates of the English Department