Isiah's credit card statement shows a debt of $385. What value would represent this situation, and why?
A -$770; Isiah owes the credit card company $385 and charges another $385.
B -$385; Isiah owes the credit card company.
C $0; neither Isiah nor the credit card company owes each other.
D $385; the credit card company owes Isiah.

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.