According to an article in The Sacramento Bee (www.sacbee.com/2011/08/04/3816872/medicareprescription- premiums.html), approximately 10% of Medicare beneficiaries lack a prescription drug care plan. Suppose that a town in Florida has 2384 residents who are Medicare beneficiaries, and 216 of them do not have a prescription drug care plan. If one of the Medicare beneficiaries is chosen at random from this town, what is the probability that this person has a prescription drug care plan? What is the probability that this person does not have a prescription drug care plan? Do these probabilities add up to 1.0? If yes, why? If no, why not?
Answer to relevant QuestionsA sample of 500 large companies showed that 120 of them offer free psychiatric help to their employees who suffer from psychological problems. If one company is selected at random from this sample, what is the probability ...Two students are randomly selected from a statistics class, and it is observed whether or not they suffer from math anxiety. How many total outcomes are possible? Draw a tree diagram for this experiment. Draw a Venn diagram. Two thousand randomly selected adults were asked if they are in favor of or against cloning. The following table gives the responses. a. If one person is selected at random from these 2000 adults, find the probability that ...Let A be the event that a number less than 3 is obtained if we roll a die once. What is the probability of A? What is the complementary event of A, and what is its probability? Given that A and B are two independent events, find their joint probability for the following. a. P (A) = .17 and P (B | A) = .44 b. P (B) = .72 and P (A | B) = .84
Post your question