The football and soccer teams at Juan's middle school are selling movie tickets. He wants to determine the average number
of tickets sold at the school. First, he surveyed eight random players on the football team. Then, he surveyed every third
athlete on the football and soccer team. Which sampling technique should produce a more representative sample?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?

The girls swim team is hosting a fund raiser. they would like to raise at least $500. they are selling candles for $5 and flower arrangements for $6. the girls estimate that at most they will sell 200 items.