A recursive rule for an arithmetic sequence is a1=−4; an=an−1+11.Show all work! a. What is a1?
b. What is d?
c. What is the iterative rule for the arithmetic sequence above? You do NOT need to simplify
d. Find a10

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.