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in an article about investment alternatives, money magazine reported that drug stocks provide a potential for long-term growth, with over 54% of the adult population of the united states taking prescription drugs on a regular basis. for adults age 65 and older, 85% take prescription drugs regularly. for adults age 18 to 64, 45% take prescription drugs regularly. the age 18–64 age group accounts for 84.5% of the adult population (statistical abstract of the united states, 2008).

round your answers to 4 decimal places.

a. what is the probability that a randomly selected adult is 65 or older?

b. given an adult takes prescription drugs regularly, what is the probability that the adult is 65 or older?

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel