The daily revenue from the sale of fried dough at a local st…
The daily revenue from the sale of fried dough at a local street vendor in Boston is known to be normally distributed with a known standard deviation of $120. The revenue on each of the last 25 days is noted, and the average is computed as $550. A 95% confidence interval is constructed for the population mean revenue. If the data from the last 40 days had been used instead of the last 25 days, then the resulting 95% confidence intervals would have been _________