Acollege student is doing some research on the cost of one-bedroom apartments in town. he has randomly selected 25 apartments for which the price was published. the average price for these apartments is download? verifier=ucwoeqz1ggwpuvm0pkq7wg = $652. he will assume that price follows roughly a normal distribution. based on prices from previous years, a real estate agent gives him the information that σ is approximately $55. a 95% confidence interval for μ is found to be 652 ± 21.56 = ($630.44, $673.56). determine which of the following statements is true.
a) a test of the hypotheses h0: μ = 650 versus ha: μ ≠ 650 would be rejected at the 0.05 level.
b) a test of the hypotheses h0: μ = 650 versus ha: μ > 650 would be rejected at the 0.05 level.
c) a test of the hypotheses h0: μ = 675 versus ha: μ ≠ 675 would be rejected at the 0.05 level.
d) all of the above