Consider a weighted voting system with 24 players. (a) Find the total number of coalitions in this weighted voting system.
(b) Find the number of coalitions with two or more players.
(a) The total number of coalitions is a
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(b) The number of coalitions with two or more players is

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.