Noah and his children went into the grocery store and they were still in apples for one dollar each and mangoes for two dollars each noah has $20 to spend and most by at least nine apples and mangoes all together if noah decided to buy for apples determine the maximum number of mangos that he could buy

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.