A statistics professor gave anexam on performing theT

-Test with

unknown. The exam had the bonus question "Guess the average score on this final exam. If aT

-Test is performed and the mean guess for the class is not significantly different from the true average exam score, everyone in the class will then receive two bonus points." There were10

students that took the final exam. The true average exam score was89.3

.

The professor conducts a one-mean hypothesisat the5%

significance level, to test if the mean guess for the class is not significantly different from the true average exam score of89.3

.

Which answer choice shows the correct null and alternative hypotheses for this test?

Select the correct answer below:

H

0

:=89.3

;H

a

:>89.3

, which is a right-tailed test.

H

0

:=10

;H

a

:<10

, which is a left-tailed test.

H

0

:=89.3

;H

a

:89.3

, which is a two-tailed test.

H

0

:=10

;H

a

:10

, which is a two-tailed test.