Caroline needs to find 15% of $128, but she doesn’t have a calculator. thoroughly explain how she can do this mentally, detailing each step. give the final answer

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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.

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes