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The Center for Disease Control and Prevention reports that 30 percent of American adults have diabetes. Find the probability that the number of diabetics in a random sample of 15 adults would be:

Three

Less than five

Five or fewer

More than five, but less than ten

Six or more

The Center for Disease Control and Prevention reports that 10 percent of American students are ADHD. Find the probability that the number of ADHD students in a random sample of 20 students would be:

Less than six

Three or fewer

More than two but less than five