The guide on a tour bus is giving a lecture to the 72 passengers about the historical sites they are passing. the passengers consist of 30men and 35 women, and the rest are children. if the tour guide chooses one passenger at random to go ask a question, what is the probability that that passenger will be a child?

How do i solve uniform motion problems?

2,10,-50 next two numbers geometric sequence

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.