Suppose taxi fare from Logan Airport to downtown Boston is known to be normally distributed with a standard deviation of $2.60. The last seven times John has taken a taxi from Logan to downtown Boston, the fares have been $22.38, $21.10, $23.86, $24.34, $21.59, $22.19, and $22.70. Construct a 95% confidence interval for the population mean taxi fare.

Multiple Choice

• [$17.6201, $27.5681]
• [$20.6680, $24.5200]
• [$20.9657, $24.2225]
• [$21.8201, $23.3681]