France ran the following experiment: 145 people walking into a home goods store were offered a welcome beverage: an espresso (caffeinated) or an option of a non-caffeinated drink. 58 shoppers chose the espresso while 87 went for the non-caffeinated alternative. On average the caffeinated shoppers spent$18 with a standard deviation of$29, while the non- caffeinated folks spent on average$9 with a standard deviation of$16.

Which statement is correct?

Group of answer choices

The upper end of the 95% confidence interval for the average of caffeinated shoppers is $78 approximately.

The 95% confidence interval for the average of caffeinated shoppers is narrower than the 95% confidence interval for the average of non-caffeinated shoppers

the 99% confidence intervals for the average spending of the two groups of shoppers overlap.