A triangle in Quadrant II is going to be reflected over the y-axis. Which of the following is a true statement? * a. The image will be in Quadrant III.
b. The orientation of the figure will not change.
c. The orientation of the vertices will change.
d. The image and the pre-image will not be congruent

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.