Every two weeks, a solar panel company selects fifty of

Last updated: 8/10/2022

Every two weeks, a solar panel company selects fifty of their modules and measures their power output. The most recent test gave an average of 320 watts, with a 95% confidence interval of [315, 325]. If they don't update their manufacturing process or design, about how many times a year will a sample have an average power outside this range? A. 1 B. 3 C. 5 D. 10