State the conclusion based on the results of the test. According to the report, the mean monthly cell phone bill was $49.97 three years ago. A researcher suspects that the mean monthly cell phone bill is higher today. T null hypothesis is rejected. Choose the correct answer below. O A. There is sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97. O B. There is sufficient evidence to conclude that the mean monthly cell phone bill is less than its level three years ago of $49.97. O C. There is not sufficient evidence to conclude that the mean monthly cell phone bill is higher than its level three years ago of $49.97.

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Q: A travel association reported the domestic airfare (in dollars) for business travel for the current…

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