Mr. Vasco operates a bike rental service in the park. Initially it costs Php 15 to rent a bike, and an additional Php 5 for every hour you use it. Give the
equation that models the situation and show the graph representing the
cost (y) of using the bike for (x) hours.

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.