Howard makes deliveries for an auto parts store. he is paid $64 for an 8 hour shift, plus $5 per delivery. he made 14 deliveries today and wants to determine how much he earned. to calculate his pay, howard multiplies 14 x 5 and then adds 64. is his calculation correct? a) yes, howard's calculation is correct. b) no, he should have added 14 and 5. c) no, he should have multiplied 64 by 5. d) no, he should have multiplied 64 by 14. e) no, he should have divided 64 by 8.

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.