A person died prematurely, find the probability with which he could have been a heavy smoker given the following data: Off all people: 50% of people don't smoke, 20% are light smokers & 30% are heavy smokers. Heavy smokers are twice as likely to die prematurely as light smokers, light (6 marks) smokers are twice as likely to die prematurely as nonsmokers.

Q: At TCNJ, 35% of the engineering majors belong to ethnic minorities. If 6 students are selected at…

A: Given,n=6p=0.35X=no.of students belong to ethnic minorityX~Binomial (n=6 , p=0.35)P(X=x)=nx pxqn-x…

Q: The Royal Armouries Museum receives 48 people per hour during weekdays. What is the probability of…

A: Let X denote the number of people receive in 5 minutes. It is given that Number of people in 60…

Q: In a sample of 1000 U.S. adults, 106 think that most celebrities are great role models. Two U.S.…

A: We can select the first adult in 1000 ways. When the first person is selected then the second person…

Q: a new surgical procedure in preliminary trials has a probability of success of 80%. if 10 patients…

A: Let X denote the patients are scheduled to go through this procedure and it follows binomial…

Q: 2016, 48.3% of college students voted.  What is the probability of getting 40 or fewer students who…

A: Number of trail n=100Probability of success p=0.483

Q: There are 5000 people in a village. 2000 were diagnosed sick. I am wrong 20% of the time. If you are…

A:

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: A friend shares a new playlist of 14 songs with you. The playlist has 2 rock song, 5 pop songs, 5…

A: From the given information, there are 14 songs.   There are,   2 rock songs 5 pop songs 5 rap songs…

Q: Allen, an NBA player who is now retired, had 0.8 probability of scoring a three point throw. If he…

A: From the provided information, The probability of scoring a three-point throw (p) = 0.8 Sample size…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted,…

A:

Q: A factory produces 50 cars a day. Out of the 50 cars, 2 of them will most likely have a problem with…

A: The total number of cars produced in a dayThe number of cars will mostly likely have a problem with…

Q: Clara is a medical assistant who gives 14 people a flu shot in one day. The probability of…

A: Givenn=14p=0.14x~Binomial(n=14,p=0.14)P(X=x)=(nx)×px×(1-p)n-x    ;  x=0,1,...,n

Q: A real estate agent has 18 properties that she shows. She feels that there is a 40% chance of…

A: We have to find given probability.

Q: A doctor preformed a study on 100 patients taking medication for the same illness. At the end of the…

A: Design of experiments

Q: Andre is 70% free throw shooter. If he attempts 20  foul shots, what is the probability that he…

A: Solution: Let X be the number of shots sink and n be the number of foul shots. From the given…

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: A company manufactures calculators in batches of 64 and there is a 4% rate of defects. Find the…

A: Givensample size(n)=64p=0.04Let "x" be the no.of defects in a batchx~Binomial(n=64 ,…

Q: thirteen percent of adults are left handed. in a group of 30 adults, what is the probability of…

A: Let X=the number of lefty n=number of trials= 30 p=probability of success= 13%=0.13 X follows a…

Q: A student has a 30% chance of getting a particular professor for a class. What are the odds of…

A: From the provided information, There is 30% chance a student getting a particular professor for a…

Q: The number of power outages at a retirement center has a mean of “a+1” outages per year. What is the…

A: The objective of this question is to find the probability of exactly 3 outages in a year and the…

Q: 68% of adults would still consider a car brand despite product/safety recalls. You randomly select…

A:

Q: Suppose that 44% of people have dogs. If two people are randomly chosen, what is the probability…

A: It is given that, 44% of people have dogs. It means, probability that a people have dogs= p = 0.44…

Q: The probability of liking dogs is 60%.  For 200 people, what is the probability that 115 OR MORE…

A: Given: p=0.60n=200 The probability that 115 or more people like dogs in any order is obtained as…

Q: What is the probability he will score for the first time on his fifth shot? What is the probability…

A: Given Data Probability of success,p = 0.18 )

Q: 3 An animal shelter has a 61% adoption rate for puppies. Of all puppies in the shelter, 77% live to…

A: The probability of selecting two items whos individual probability are p and q is given by; P(x)=p·q

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: An airline has found about 8% of its passengers request vegetarian meals. On a flight with 170…

A: From the given information p = 0.08 and n = 170. The probability mass function of the binomial…

Q: A phone company reports that 52 % of its customers subscribe to their high-speed internet service.…

A:

Q: A student has a 40% chance of getting a particular professor for a class. What are the odds of…

A: Step 1: Identify the formula for odds given probabilityOdds (A) = P (A) / [1 - P (A)]  Step 2:…

Q: Jack is going to guess at ten multiple-choice questions.  Assume that he has a 20% chance of…

A: Correctly guessing the question have probability equal to 0.2  Total number of questions 10 Let X is…