The average hourly wage of computer programmers with 2 years of experience has been $22.10. Because of high demand for computer programmers, it is believed there has been a significant increase in the average hourly wage of computer programmers. To test whether or not there has been an increase, which of the following are the correct hypotheses to be tested?

1.

H₀:< 22.10

H_a:22.10

2.H₀:22.10

H_a:> 22.10

3.H₀:= 22.10

H_a:22.10

4.H₀:> 22.10

H_a:22.10