You may need to use the appropriate appendix table or

Last updated: 3/18/2024

You may need to use the appropriate appendix table or technology to answer this question The number of adults in the United States who smoke has declined greatly In 2005 more than 20 of adults in the United States smoked but this declined to about 12 5 in 2020 Consider a group of 220 adul surveyed in the year 2020 and use the normal approximation of the binomial distribution to answer the questions below a What is the expected number of adults who smoke adults b What is the probability that fewer than 25 smoke Round your answer to four decimal places c What is the probability that from 30 to 35 smoke Round your answer to four decimal places d What is the probability that 45 or more smoke Round your answer to four decimal places