Algebra 1 tammy is choosing between two exercise routines. in routine #1, she burns 20 calories walking. she then runs at a rate that burns 18.5 calories per mimute. in routine #2, she burns 37 calories walking, she then runs at a rate that burns 14.25 calories per minute. for what amounts of time spent running will routine #1 burn fewer than routine #2? use t for the number of minutes spent running. (write an inequality to represent the scenario.

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.