List the zeros of the polynomial function f(x)= x - 4x2 - 4x + 16
: -2
:: 2
.: 6
0

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.

Wayne has 303 marbles if he gives away 123 of the marbles equally to 3 friends about how many marbles will wayne give each friend? how many marbles does wayne have left?

The sales tax for an item was $8.40 and it cost $420 before tax. find the sales tax rate. write your answer as a percentage.