Question 1 7 pts
One house sitter charges $40 a day. Another house sitter charges an initial fee of
$100 plus $15 per day. Which equation could you use to solve to find out after how
many days is the fee charged by the two sitters the same?
40x + 100 = 15x
40x = 100 + 15x
40 = 100x + 15
none of the above
Question 2
7 pts
HELPPP PLSSS

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.