For the following hypothesis test, determine the null and alternative hypotheses. Also, classify the hypothesis test as two-tailed, left-tailed, or right-tailed.

The mean length of imprisonment for motor-vehicle theft offenders in this country is

20.620.6

months. A hypothesis test is to be performed to determine whether the mean length of imprisonment for motor-vehicle theft offenders in this city differs from the national mean of

20.620.6

months.

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Part 1

Choose the correct null and alternative hypotheses below.

A.

Upper H 0H0:

muequals=20.620.6

months

Upper H Subscript aHa:

muless than<20.620.6

months

B.

Upper H 0H0:

muless than<20.620.6

months

Upper H Subscript aHa:

muequals=20.620.6

months

C.

Upper H 0H0:

munot equals20.620.6

months

Upper H Subscript aHa:

muequals=20.620.6

months

D.

Upper H 0H0:

mugreater than>20.620.6

months

Upper H Subscript aHa:

muequals=20.620.6

months

E.

Upper H 0H0:

muequals=20.620.6

months

Upper H Subscript aHa:

mugreater than>20.620.6

months

F.

Upper H 0H0:

muequals=20.620.6

months

Upper H Subscript aHa:

munot equals20.620.6

months