According to an article in USA Today, 90% of Americans will suffer from high blood pressure as they age. Out of 20 randomly chosen people what is the probability that at most 3 will suffer from high blood pressure?
Answer to relevant QuestionsThe number of orders for installation of a computer information system arriving at an agency per week is a random variable X with the following probability distribution: x P(x) 0 ....... 0.10 1 ....... 0.20 2 ...Out of 140 million cellular telephone subscribers in the United States, 36 million use Verizon.6 a. Ten wireless customers are chosen. Under what conditions is the number of Verizon customers a binomial random variable? b. ...An applicant for a faculty position at a certain university is told by the department chair that she has a 0.95 probability of being invited for an interview. Once invited for an interview, the applicant must make a ...Returns on investments overseas, especially in Europe and the Pacific Rim, are expected to be higher than those of U.S. markets in the near term, and analysts are now recommending investments in international portfolios. An ...Find a value such that the probability that the standard normal random variable will be above it is 0.85.
Post your question