A real estate agent claims that the mean living area of all single-family homes in his country is at least 2400 square feet. A random sample of 50 such homes selected from this country produced the mean living area of 2540 square feet and a standard deviation of 472 square feet.a. Using a significance level of 5%, can you conclude that the real estate agent’s claim is true? Use a diagram and show the 5-step method.b. What would be the probability of committing a Type I Error in this case?
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