Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 146 subjects with postive test results, there are 23 false positive results; among 152 negative resilts, there are 3 falst negative results. If one of the test subjects is randomly selected, find the probability that the subject tested negative or did not use marijuana. Find the probability that a randomly selected subject tested negative or did not use marijuana.

Q: Sixteen of the 200 digital video recorders in an inventory are known to be defective. What is the…

A: It is given that, 16 of the 200 digital video recorders in an inventory are known to be defective.

Q: Delta Airlines' flights from Chicago to Seattle are on time 50 % of the time. Suppose 11 flights are…

A:

Q: The probability that an adult possesses a credit card is .35. A researcher selects two adults at…

A: Given information- We have given the probability that an adult possesses a credit card p = 0.35 The…

Q: In a survey in a rural area, it is found that 32% of families from a barrio owns a milking cow and…

A: Given: Family owns a milking cow, P(A)=0.32. Family owns a poultry, P(B)=0.41. Family owns both,…

Q: Of the patients at a cardiac rehabilitation centre, 37% lead a sedentary lifestyle and have had a…

A: 37% lead a sedentary lifestyle and have had a heart attack82% of the patients lead a sedentary…

Q: Mrs. Maria's Market buys 77% of eggs from farm A and the rest from farm B. Of the eggs from A, 7%…

A:

Q: The probability that an adult possesses a credit card is .35. A researcher selects three adults at…

A: Givenp=0.35n=3x~Binomial(n=3,p=0.35)P(X=x)=Cxnpx(1-p)n-x    ; x=0,1....n

Q: A survey from Teenage Research Unlimited found that 40% of teenage consumers receive their spending…

A: Solution: Let X be the number of teenage customers will have part-time jobs. From the given…

Q: At a local college, 76 of the male students are smokers and 114 are non-smokers. Of the female…

A:

Q: Of the cartons produced by a company, 9% have a puncture, 3% have a smashed corner, and 1.2% have…

A: Given that, P(have a puncture) = 9% P(have a smashed corner) = 3% P(have a puncture and a smashed…

Q: A zoo has a collection of 400 flamingos. 180 of these flamingos are red. One day, a fence blew down…

A: Given : A zoo has a collection of 400 flamingos. 180 of these flamingos are red.

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: A set of coins is flipped. 25% of the coin set has a 20% chance of landing on heads. The other 75%…

A: Given that the set of coins are divided into two types.

Q: In a large population, 53 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Given information- Given problem is of binomial distribution. Probability of success, p = 0.53 No.…

Q: The American Automobile Association reports that of the fatal car and truck accidents 54% are caused…

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

Q: Of the cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4% have…

A: Given that , cartons produced by a company, 3% have a puncture, 5% have a smashed corner, and 0.4 %…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: Airline flights from Boston to Atlanta are on time 50 % of the time. Suppose 6 flights are randomly…

A: Solution: Let X be the number of flights are on time and n be the number of airline flights from…

Q: You have 10 children in preschool class. The probability of getting sick from a virus they have been…

A:

Q: Of the cartons produced by a company, 9% have a puncture, 7% have a smashed corner, and 0.9% have…

A: From the given information we find the probability.

Q: 63% of all Americans are home owners. If 37 Americans are randomly selected, find the probability…

A:

Q: Find the probability of 62 or more participants believing life on other planets is plausible

A: From the original problem, It is given that the number of observations are independent with…

Q: Of the cartons produced by a​ company, 10​% have a​ puncture, 8​% have a smashed​ corner, and 1.3​%…

A:

Q: Of the cartons produced by a​ company, 9​%have a​ puncture, 3​% have a smashed​ corner, and 0.5​%…

A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…

Q: A sample of 100 wood and 100 graphite tennis rackets are taken from the warehouse. If 11 wood and 13…

A: Given,  no of wood rackets = 100 No of graphite rackets = 100 No of wood and defective = 11 No of…

Q: Of the cartons produced by a​ company, 4​% have a​ puncture, 7​% have a smashed​ corner, and…

A: Given that, 4% have a puncture 7% have a smashed corner 1.3% have both a puncture and a smashed…

Q: Approximately 10.3% of high school students drop out of school before graduation. From a random…

A: Let p be the probability of high school students drop out of school before graduation  n=Sample  X…

Q: You want to purchase a DVD drive for your laptop computer. Assume that 55 ​% of the drives are made…

A:

Q: 8 people are taking a driving test. If the probability of passing the test is 0.75. What is the…

A:

Q: A survey of 400 randomly selected high school students determined that 286 play organized sports.…

A: The objective of this question is to find the probability that a randomly selected high school…

Q: The probability that visiting particular doctor results in neither ECG or  an X-ray is 35%. Of all…

A: Given: P(X-ray ) = 30% = 0.30 P(ECG) = 40% = 0.40 P(Neither ECG nor X ray) = 35% = 0.35

Q: The probability that a visit to a primary care physician's (PCP) office results in neither lab work…

A: Given that

Q: The probability that an adult possesses a credit card is .65. A researcher selects two adults at…

A: P(posseses credit card ) = p = 0.65 So q  =1-p = 0.35 Select two at random

Q: Among 150 subjects with positive test​ results, there are 21 false positive​ results; among158…

A: According to the provided data, among 150 subjects with positive test results, there are 21 false…

Q: A group of people were asked if they had run a red light in the last year. 326 responded "yes", and…

A: Given, a group of people were asked if they had run a red light in the last year, 326 responded…

Q: American Airlines' flights from Chicago to Atlanta are on time 90 % of the time. Suppose 9 flights…

A: Given information- We have given a problem of binomial distribution. We have given that American…