You found a very cool new job selling tickets to ride a giant slide that has been set up at the beach. the giant slide owner says she will pay you commission in one of two ways. every weekend, you will get either $40 plus $5 for every giant slide ticket you sell or $70 plus $2 for every giant slide ticket you sell. a) what is the break-even point for these two commission plans the giant slide owner has created for you?

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?