The Average Hourly Wage of Computer Programmers with 2 Years $\mu$

question 20

Multiple Choice

The average hourly wage of computer programmers with 2 years of experience has been $21.80.Because of high demand for computer programmers,it is believed there has been a significant increase in the average wage of computer programmers.To test whether or not there has been an increase,the correct hypotheses to be tested are

• A)H₀: \(\mu\) < 21.80 H_a: \(\mu\) \(\ge\) 21.80
• B)H₀: \(\mu\) = 21.80 H_a: \(\mu\) \(\neq\)21.80
• C)H₀: \(\mu\) > 21.80 H_a: \(\mu\) \(\le\) 21.80
• D)H₀: \(\mu\) \(\le\) 21.80 H_a: \(\mu\) > 21.80

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