Suppose people cannot tell for sure whether they will fall ill in any given year. High-risk people correctly perceive their chance of falling ill in a year is 30 percent, and low-risk people correctly perceive that their chance of falling ill is 10 percent. Both high-risk and low-risk people have to pay $10,000 in medical expenses if they fall ill, and nothing if they remain healthy. a. What are the expected annual medical expenses of a high-risk person

80 points pls brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?