What is the main idea of this passage? A People should worry less about risks. B People often misjudge the level of a given risk. C Car travel is more risky than air travel. D Your level of control affects how you view a risk.

Based on this passage, what does the word perceptions mean? F. feelings G. fears H. understandings J. observations

Assume the target goals for 2020 are met. Out out 500 high school students, how many would you predict would be smokers? F 16 G 35 H 60 J 80

Why do you think many teens smoke despite the health risks? What argument against smoking would be most effective for teens?

Design a survey to help you determine the major influences on the selfesteem of teens. Include questions about factors such as parents, friends, teachers, religion, culture, and media.

What was the difference in percentage of high school students who smoked and adults who smoked in the late 2000s? F 1% G 8% H 12% J 20%

The most recent Youth Risk Behavior Survey found that the percentage of high school students who had smoked a cigarette at least once in the last 30 days was 15.7%. The principal at a large high school wanted to estimate this proportion at her school, so she asked a random sample of 180 students if they had smoked a cigarette in the last 30 days. A total of 21 students in this sample said "Yes." Calculate a 95% confidence interval for p.

Which of these factors is part of your social environment? a. heredity b. culture c. media d. technology

You are thinking about using a liquid diet supplement. What steps should you take before making this decision?

The number of years that a person can expect to live is called a. quality of life. b. quantity of life. c. life expectancy. d. life history.

View at least two cycles of the graphs of the given functions on a calculator. $y=-2 \cot \left(2 x+\frac{\pi}{6}\right)$

Why is withdrawing from family and friends a harmful way to cope with strong emotions?

a. What effect will adding 10 to every value in a data set have on the standard deviation? b. What will the effect be if you multiply each value by 10?

What are four standards you would use to measure the quality of your life?