During the 2013 Major League Baseball season, the St. Louis Cardinals averaged 41,602 fans per home game. Suppose attendance during the season follows the normal probability distribution with a standard deviation of 9,440 per game. The interval around the mean that contains 95% of the attendance is ________ .

Question

Quizplus · Accepted Answer

The 95% confidence interval for a normal distribution is calculated as the mean plus or minus 1.96 times the standard deviation. Here, it is 41,602 ± (1.96 * 9,440), which results in the interval 22,722 to 60,482.

During the 2013 Major League Baseball Season, the St