Ella put the names of all the cities in the state of Alabama into a jar. ​ ​Then, she drew 33 names out of the jar. ​ Is this a random sample of the cities in the state?

Need solving this second acceleration problem.

Can any one me with the answers to these questions asap?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?