recent study found that 79% of breast-cancer cases are detectable by mammogram. Suppose a random sample of 13 women with breast cancer are given mammograms.
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- Research has shown that approximately 1 woman in 500 carries a mutation of a particular gene. About 45% of women with this mutation develop bladder cancer. Find the probability that a randomly selected woman will carry the mutation of this gene and will develop bladder cancer. ... Sample Space: Women Women with mutated gene Women who develop bladder cancer The probability that a randomly selected woman will carry the gene mutation and develop bladder cancer is (Round to four decimal places as needed.)Question 9 Based on a poll, among adults who regret getting tattoos, 17% say that they were too young when they got their tattoos. Assume that 8 adults who regret getting tattoos are randomly selected, and find the indicated probability. 1. Find the probability that none of the selected adults say that they were too young to get tattoos 2. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos. 3. Find the probability that the number of selected adults saying they were too young is 0 or 1.After examining her college attendance records for the past few years, Professor Bea Earlee determined that there is a 30% chance that a student will come late to her class. Six students are selected at random. Find the probability that none of the six arrive late to class. Round to 4 decimal places.
- The table summarizes results from pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths Driver Pedestrian Intoxicated? Intoxicated? Yes No Yes 45 79 No 281 572 If two different pedestrian deaths are randomly selected, find the probability that they both involved drivers that were not intoxicated. Report the answer rounded to four decimal place accuracy.A sample of 400 adults found that 82 have high blood pressure. However, 98 of those studied reported being unwilling to change their diet. Based on this sample, if an adult is chosen at random, what is the probability that he or she is open to trying to eat more healthfully? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.A survey showed that 83% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 18 adults are randomly selected, find the probability that at least 17 of them need correction for their eyesight. Is 17 a significantly high number of adults requiring eyesight correction? ... The probability that at least 17 of the 18 adults require eyesight correction is (Round to three decimal places as needed.)
- A recent survey showed that 94 adults out of a sample of 500 have high blood pressure. However, 108 of those studied reported being unwilling to change their diet. Based on this sample, if an adult is chosen at random, what is the probability that he or she is open to trying to eat more healthfully? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.Samuel F.B. Morse (1791 – 1872), the creator of Morse Code, claimed that 12% of all letters used in the English language were “e”s. Suppose random samples of 196 letters are selected from a book What is the probability that a random sample of 196 letters will contain at least 10% "e"s? Type your calculated z-score here. Express its value to the nearest hundredth (two decimal places). Type your probability here. Express its value to four decimal places. Do not round.The table summarizes results from pedestrian deaths that were caused by automobile accidents. Pedestrian Deaths DriverIntoxicated? Pedestrian Intoxicated? Yes No Yes 62 84 No 281 551 If two different pedestrian deaths are randomly selected, find the probability that they both involved drivers that were intoxicated.Report the answer rounded to four decimal place accuracy.
- A survey showed that 81% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 20 adults are randomly selected, find the probability that no more than 1 of them need correction for their eyesight. Is 1 a significantly low number of adults requiring eyesight correction? The probability that no more than 1 of the 20 adults require eyesight correction is (Round to three decimal places as needed.)A survey showed that 74% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 18 adults are randomly selected, find the probability that no more than 1 of them need correction for their eyesight. Is 1 a significantly low number of adults requiring eyesight correction? The probability that no more than 1 of the 18 adults require eyesight correction is (round to three decimal places as needed)A survey showed that 79% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 15 adults are randomly selected, find the probability that at least 14 of them need correction for their eyesight. Is 14 a significantly high number of adults requiring eyesight correction? The probability that at least 14 of the 15 adults require eyesight correction is nothing. (Round to three decimal places as needed.)
