5. Prince Charming has to go around town asking if a glass slipper fits until he finds 10 women whose foot fits properly in a slipper (they will compete on a "Bachelor Type" show.) The probability of a glass slipper fitting a randomly selected woman is 0.12, and the probabilities are independent. Let X be the number of women he has to visit until he finds 10 woman who fits the slipper.

How many women should he expect to have to check until he finds 10 women?

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

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.

Amap has a scale of 3.5 inches = 20 kilometers. if the distance between two cities on the map is 4.9 inches, what is the actual distance between the two cities?