(1 point) the rates of on-time flights for commercial jets are continuously tracked by the u. s. department of transportation. recently, southwest air had the best rate with 80 % of its flights arriving on time. a test is conducted by randomly selecting 20 southwest flights and observing whether they arrive on time.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

the first option is the answer.

lol 2

step-by-step explanation: