The mean weekly earnings of a sample of 30 construction workers in a city in Texas was $759, with a standard deviation of $73. In the state of Texas, the mean weekly earnings for construction is $728. a)Construct a 95% confidence interval for the sample (T-interval)

b) Explain what the confidence interval means

c) Is it reasonable to say that the workers in the city are getting paid more than the average worker in Texas? Carefully explain your reasoning