Eric is doing a class project for his television broadcasting class in college during 35 minutes of television on one of the major network he reported 7.8 minutes of commercial if if he watches television for three hours and 50 minutes what would be a reasonable prediction of the number minute of commercial that he what watch

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.