Only 4% of people have Type AB blood.
a. On Average, how many donors must be checked to first find someone with Type AB blood?

Typically, a cover letter should be no longer than

The use of a beat or a rhythm to remember something is

You want to test the hypothesis that smoking cigarettes increases the risk of lung cancer. in your experiment, you take 100 people of various ages and genders for each of your groups. one group smokes. the other group does not smoke. the group that does not smoke is called the group