What is the length of the legs of a right triangle in which one acute angle measures 19° and the hypotenuse is 15 units long

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.

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.