The Mean Annual Tuition and Fees for a Sample of 12

Multiple Choice

The mean annual tuition and fees for a sample of 12 private colleges was $27,900 with a standard deviation of $4400. A dotplot shows that it is reasonable to assume that the
Population is approximately normal. You wish to test whether the mean tuition and fees
For private colleges is different from $31,500.
State the null and alternate hypotheses.

A) $H _ { 0 } : \mu \neq 31,500 , H _ { 1 } : \mu = 31,500$
B) $H _ { 0 } : \mu = 31,500 , H _ { 1 } : \mu = 27,900$
C) $H _ { 0 } : \mu = 27,900 , H _ { 1 } : \mu \neq 27,900$
D) $H _ { 0 } : \mu = 31,500 , H _ { 1 } : \mu \neq 31,500$