In arizona, there are 28 species of amphibians and 52 species of snakes. an employee at a museum is arranging photos of these species on a wall. the photos will be placed in rows. each row will have the same number of species of amphibians and the same number of species of snakes. the employee wants to make as many rows of photos as possible. how many rows can the employee make. plz i need with this

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.