Donations to an annual fundraiser are 15% greater this year than last year. last year, donations were 10% greater than the year before. the amount raised this year is $10,120. how much was raised 2 years ago?

$
was raised 2 years ago.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs.mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.

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.