Suppose you are the operations manager at an airline company. The company guarantees its customers that its flights are delayed by at most three minutes on average, as opposed to much higher figures of competitors. You want to verify the company's claim. You have recorded the delay time of 25 flights of the company.

Perform the right type of hypothesis test in the right context

Which type of test is this?

1. Two-tailed test
2. Left-tailed test
3. Right-tailed test

A B 1 Flight No. Delay (mins) 2 2.78 3 2 3.44 4 2.5 4 3.58 2.61 3.19 8 3.84 9 8 2.86 10 LO 3.44 11 10 3.65 12 11 3.11 13 12 3.15 14 13 3.95 15 14 3.44 16 15 2.91 17 16 3.99 18 17 3.59 19 18 3.57 20 19 2.99 21 20 2.07 22 21 2.25 23 22 3.68 24 23 3.23 25 24 2.81 26 25 1.9