Jamie owns a pizza shop in town, and she’s working on paying off equipment expenses. The remaining balance of $6,550 is financed and requires a monthly payment of $275. The shop is doing well, so Jamie can afford to pay an extra $300 each month to speed up paying off the balance. Write the second equation in a system that Jamie can use to find how many months it will take her to pay off the balance.

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.