In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 6% of voters are Independent.  A survey asked 12 people to identify themselves as Democrat, Republican, or Independent.  What is the probability that fewer than 4 are Independent?

Alex surveyed some students at his school, asking about their favorite sport and whether they have a pet. What is the probability that a student in this survey has pets? Has Pets No Pets Total O 0.063 Basketball 16 12 28 O 0.110 Football 90 72 162 O 0.433 Baseball 38 26 64 O 0.567 Total 144 110 254 O 0.642

In one town, 61% of adults have health insurance. What is the probability that 5 adults selected at random from the town all have health insurance?

Approximately 90% of all people are right handed. Consider a grouping of 20 people. What is the probability that 5 of them will be right handed