A survey estimates the current average cost of colege to be $30,949 per year, (a) the average cost of college increases by 8 2% each year, what will be the average cost of college 10 years from now?(b)If a savings plan offers a rate of 7.4% compounded continuousy, how much should be put in the plan now to pay for 1 year of college 10 years from now?

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.