A study found that 78% of painters are blacksmiths while only 10% of those who are not painters are blacksmiths. Let painters be denoted with A while blacksmiths be denoted with B. State these results as a probability:           = 78%           = 10%

Q: At an inspection line, several motors are inspected. It is known that defects between motors are not…

A: Solution-: Given : λ=5 We find, (a) P[the first defective motor is the fifth motor that you…

Q: In a football match, suppose that the probability of Team A winning is 0.3, Team B winning is 0.5…

A: #let x be the nonof match end with tie with probability p=0.2 follow binomial distribution…

Q: A drawing class was assigned a final project where students had to choose one art medium and one…

A:

Q: A monk crossbred plants, which can have purple or white flowers, and obtained 600 plants with white…

A: The number of white flower plant are 600. The number of purple flower plant are 250.

Q: following facts are discovered: 20% of the athletes football players, 53% are basketball players,…

A: Given : 20% of the athletes are football players, 53% are basketball players, 6% of the athletes…

Q: If the probability of having a female tortoise is 0.35, what is the probability of having four…

A: Given that,  The probability of having a female tortoise is, p = 0.35 The no.of eggs in a nest is, n…

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

A: Given that, in a sample of 1000 US adults, 106 think that most celebrities are great role models. We…

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: 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: A sociology teacher asked her students to complete a survey at the beginning of the year. One survey…

A:

Q: According to a survey of American households, the probability that the residents own 2 cars if…

A: According to the provided data,

Q: A study found that 16% of mathematicians are runners while only 10% of those who are not…

A: Probability measures the likelihood of occurrence of an event.

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: Assume that the critic finds that 25 percent of the movies have positive comments about the plot, 40…

A: The event A is defined as the movies have positive comments about the plot, event B is defined as…

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

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: In a group of students, 45% play golf, 55% play tennis and 70% play at least one of these sports.…

A: Define some events A: A student plays golf B: A student plays tennis

Q: A recent poll of 300 executives' exercise habits revealed that 95 run and 127 bike.  49 reported…

A: P(A or B) = P(A) + P(B) - P(A and B)  Probability = favorable/total

Q: An insurance company found that 16% of drivers were involved in a car accident last year. If 8…

A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…

Q: The probability that a school-grade student would drink water, fruit juice, and soda is 0.5, 0.3,…

A: We can select 6 students who will drink water from 15 students in 15C6 ways.  The probability for…

Q: The probability that a can of paint contains contamination is 3.23% and the probability of a mixing…

A: Concept of General Addition Rule: For any two events A and B the General Addition Rule states that:

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: 16 of the 200 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: Given that, 16 of the 200 digital video recorders​  (DVRs) in an inventory are known to be…

Q: he table shows the results of a survey of the 120 people that attended the school play.

A: Given that  Table shows the results of a survey of the 120 people that attended the school play.…

Q: There is a 72% chance you will be able to get tickets to a concert to see your favorite band in the…

A: Given problem Given that   There is a 72% chance you will be able to get tickets to a concert to…

Q: In a tennis match where the winner is determined by winning three out of five sets, if the…

A: To calculate the probability of Player A winning the match in four sets, we need to consider the…

Q: University has found out that the graduation rate is 92% (92% of students admitted graduate from the…

A: p = 0.92 n = 300

Q: If 42% of students own a car and 27% of students own a bike. What is the probability that a student…

A: Given Data: The probability that student own a car is: P(A)=42% The probability that student own a…

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: In a sample of 900 adults, 171 think that most celebrities are good role models. Two adults are…

A: Given,Total no.of adults=900no.of good role models=171

Q: 200 volunteers at a local kennel were surveyed. It was found that 132 women and 68 men volunteered.…

A: given data  132 women 68 men _______________ 200 total surveyed   of the 132 women 91 liked dogs and…

Q: 80% of teenagers have access to some social media. If you do a random survey of 400 teenagers, what…

A:

Q: A survey of athletes at a high school is conducted, and the following facts are discovered: 25% of…

A: Solution: Let A be the event that the athlete is football player and B be the event that the athlete…

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: In a test for ESP, the experimenter looks at cards that are hidden from the subject. Each card…

A: In this case, each of the subjects has the only option of guessing a card "correctly" (defined as…

Q: Given 40% of American college students fail to earn a degree and 32% of college students that do…

A: Percentage of people who earn the degree = 60% Percentage of people who earn the degree and don't…

Q: A survey of athletes at a high school is conducted, and the following facts are discovered: 33% of…

A: Let A be the event of playing football B be the event of playing basketball Given data,…

Q: A survey was done to see what drinkers prefer and these are the results. beer wine liquor Male 45 13…

A: According to the given information, we can write the result in table format -Beerwineliquor total…

Q: If the probability that an individual with a Bachelor Degree in Underwater Basket-weaving will be…

A: Formula : P(A') = 1 - P(A)