A girl guide is using some rope to make a flagpole more stable. The flagpole is 4m tall and she has a piece of rope 5m long, which she has
tied to the top of the pole. What’s the furthest point from the bottom of
the flagpole that she can tie the rope?

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.