Dave has $60 to spend on a new hockey jersey.

select all of the following options that dave can afford.

answer choices

a $55 jersey with 5% tax added to the total.

a $57 jersey bought online that requires an additional 10% shipping fee.

a $72 jersey with 8% tax.

a jersey that is 25% off of the original price of $85.

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.