# Answer the following problems showing your work and explaining (or analyzing) your results

*label*Statistics

*timer*Asked: May 18th, 2015

**Question description**

Of the 538 people who had an annual check-up at a doctor’s office, 215 had high blood pressure. Estimate the probability that the next person who has a check-up will have high blood pressure.

- Find the probability of correctly answering the first 4 questions on a multiple choice test using random guessing. Each question has 3 possible answers.
- Explain the difference between independent and dependent events.
- Provide an example of experimental probability and explain why it is considered experimental.
- The measure of how likely an event will occur is probability. Match the following probability with one of the statements. There is only one answer per statement.

0 0.25 0.60 1

a. This event is certain and will happen every time.

b. This event will happen more often than not.

c. This event will never happen.

d. This event is likely and will occur occasionally.

- Flip a coin 25 times and keep track of the results. What is the experimental probability of landing on tails? What is the theoretical probability of landing on heads or tails?
- A color candy was chosen randomly out of a bag. Below are the results:

Color | Probability |

Blue | 0.30 |

Red | 0.10 |

Green | 0.15 |

Yellow | 0.20 |

Orange | ??? |

a. What is the probability of choosing a yellow candy?

b. What is the probability that the candy is blue, red, or green?

c. What is the probability of choosing an orange candy?