Apainter plans to paint a room with an area of 515 square feet. he mixes paint to create a specific shade of green. the ratio of each color in his mixture is shown: - 1 part blue paint - 3 parts yellow paint - 2 parts white paint the painter estimates that he will need 1 gallon of green paint for every 175 square feet of the room. he estimates the smallest number of whole gallons of green paint needed to paint the room. how much blue paint will the painter need to make this batch of green paint?

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.