Suppose there is a 10.4% probability that a randomly selected person aged 20 years or older is a smoker. In addition, there is a 19.8% probability that a randomly selected person aged 20years or older is male, given that he or she smokes. What is the probability that a randomly selected person aged 20 years or older is male and smokes? Would it be unusual to randomlyselect a person aged 20 years or older who is male and smokes?The probability that a randomly selected person aged 20 years or older is male and smokes is(Round to three decimal places as needed.).

Answered: Suppose there is a 10.4% probability…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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4. Consider a family with three children. Given that at least one of the children is a boy, what is the probability that the three children children are boys? (assume that the probability of having a boy is 0.5, and that the gender of the second child is independent of the gender of the first child and of the gender of the third child)
80% of U.S. drivers over the age of 30 have had a speeding ticket and 55% of those have also been in an accident while behind the wheel. What is the probability that a randomly selected US driver over the age of 30 has had a speeding ticket and also been in an accident while behind the wheel?
2)
In a 2018 study, it was determined that 14% of Americans smoke. In a separate study, it was determined 9% of smokers die of lung cancer, and 1% of non-smokers die of lung cancer. Assuming these values hold true today, find the following: a. What is the probability that a randomly selected person is a smoker and died of lung cancer? b. What is the probability that a randomly selected person dies of lung cancer? c. What is the probability that a randomly selected person is a smoker or died of lung cancer?
Suppose that it is known that 45% of eighteen-year-olds in a particular city do not have a driver's licence. If a random sample of 20 eighteen-year-olds is taken in the city, what is the probability that more than half of them will not have a driver's licence?
The American Red Cross says that about 45% of the U.S. population has Type O blood, 40% Type A, 11% Type B, and 4% Type AB Round your answers to the nearest hundredth, O.XX. a. What is the probability that the next blood donor who enters a donation center has Type O or Type A blood? type your answer... b. What is the probability that the next three blood donors all have Type O blood? type your answer... Previous
The probability that a doctor correctly diagnoses a particular illness is 0.60. Given that the doctor makes and incorrect diagnosis, the probability that the patient enters a law suit is 0.90. What is the probability that the doctor makes an incorrect diagnosis and the patient sues?
Suppose that 30 percent of an adult population have an infectious disease and 40 percent have achronic disease. Assume that having an infectious disease is independent from having a chronicdisease. For each of the questions below perform the calculation using appropriate statisticalnotation.a. What is the probability that a person selected at random will have both diseases?b. What is the probability of having the infectious disease for people with the chronic disease?c. What is the probability of having the infectious disease for people without the chronic disease?d. What is the probability of not having the infectious disease for people with the chronicdisease?
9) According to the American Academy of Ophthalmology, there is a 18% chance that someone will have hazel eyes. What is the probability that it will take at least seven people to find someone with hazel eyes?

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