The College Student Journal (December 1992)investigated Differences in Traditional and Nontraditional

question 54

Multiple Choice

The College Student Journal (December 1992) investigated differences in traditional and nontraditional students,where nontraditional students are defined as 25 years old or older and working.Based on the study results,we can assume the population mean and standard deviation for the GPA of nontraditional students is µ = 3.5 and σ = 0.5.Suppose a random sample of 100 nontraditional students is selected and the GPA for each student is calculated.Find the interval that contains 95.44 percent of the sample means for nontraditional students.

• A)[3.45,3.55]
• B)[2.50,4.50]
• C)[3.35,3.65]
• D)[3.40,3.60]

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