Hurry quick A car traveled 63 miles on 3 gallons of gas. What proportion can you set up to determine how many miles, m, the car can travel on 7 gallons of gas? StartFraction 3 over 63 EndFraction = StartFraction m over 7 EndFraction
StartFraction 7 over 63 EndFraction = StartFraction m over 3 EndFraction
StartFraction 63 over 3 EndFraction = StartFraction m over 7 EndFraction
StartFraction 63 over 7 EndFraction = StartFraction m over 3 EndFraction

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.