Find the area of the trapezoid.
b1 = 5, b2 = 7, h = 4

List the 10 possible samples (without replacement) of size 3 3 that can be obtained from the population of five officials.

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?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25