You flip a coin three times. a. what is the probability of getting heads on only one of your flips? b. what is the probability of getting heads on at least one flip?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Given the graphed function below which of the following orders pairs are found on the inverse function

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.