In a city 30% of the houses and 60% of the condominiums use natural gas for heating. 65% of the residences in the city are houses and the rest are condominiums.   If a residence is selected at random from this city, what is the probability it uses natural gas for heating? If a residence uses natural gas for heating, what is the probability it is a condominium?

Q: A psychology class consists of 36 males and 48 females. If the professor selects names from the…

A: Given, A psychology class consist of 36 males and 48 females. and professor select names from the…

Q: Morgan buys a bag of cookies that contains 4 chocolate chip cookies, 6 peanut butter cookies, 8…

A: The probability formula is, Probability=Favourable outcomesTotal outcomes A bag contains totally 27…

Q: on a tropical day at the beach in southern California, a beachgoer will encounter 12 different…

A:

Q: A car manufacturer keeps a database of all the cars that are available for sale at all the…

A: We have to find given probability.

Q: 48 people had a fishing license, and 32 people did not have a fishing license and 42 people had a…

A: The term probability is defined as the chance of occurrence of an event. The probability value…

Q: A psychology class consists of 28 males and 52 females. if the professor selectes names from the…

A: (a) Obtain the probability that the first student selected will be a female. The probability that…

Q: An insurance company has the following data on its customers: 80% of customers insure one car 10% of…

A: Given Data; P( one car)=0.8 P( motorcycle)=0.1 P( One car and Motorcycle)=0.05

Q: The school canteen has 30 sandwiches to be sold. The sandwiches are 9 hotdog, 5 tuna, 8 ham, 5…

A: Probability:               It is the ratio of chance of getting an event given from the proportion…

Q: In a Internee program at Airline Company, 45 percent of the internees are female and 55 percent…

A: 1) Let 'F' represent the females, and 'M' represent the males. Similarly, 'B' represent the business…

Q: Out of 10 cars in a car sales service, the air conditioner is defective. For a company that buys 4…

A: Given that Total number of cars = 10  Number of Defective car = 1

Q: In a bolt factory, Machine A, B and C manufacture 25, 25, and 50 percent of the bolt output. Of…

A: P(A)=0.25 , P(B)=0.25, P(C)=0.50 Let, D: Number of defective bolts P(D|A)=0.04, P(D|B)=0.05,…

Q: A heating equipment manufacturer purchases heating elements from three different suppliers: 30% Som,…

A: Let us define some events A : an element is supplied by Som. B : an element is supplied by Dom. C :…

Q: Zaire buys a bag of cookies that contains 7 chocolate chip cookies, 5 peanut butter cookies, 9 sugar…

A: It is given that the Zaire buys a bag of cookies that contains 7 chocolate chip cookies, 5 peanut…

Q: A hockey coach was taking her team out to a picnic lunch to celebrate their first win. She made 7…

A: Here we should find the probability that all of them are hummus.

Q: A batch of parts contains 80 parts from Batangas supplier of engine and 120 parts from a supplier of…

A: We know that, Probability, p= X/N Here X= 80 and N= 120 p= 80/120  p= 0.67 and q= 1-p q= 1-0.67 q=…

Q: A small tool‑and‑die shop manufactures kneuter valves. A shipment of 15 valves to a Swedish…

A:

Q: In a group of 25 boys, 20 play basketball and 17 play baseball. They all play at least one of the…

A: Let, A=basketball B=baseball Given that: n(A)=20 n(B)=17 n(A or B)=25 So, n(A and B)=n(A)+n(B) - n(A…

Q: In a particular community, 60% of the voters are Democrats, and 40% are Republicans. 44% of the…

A:

Q: According to a recent​ report, 30​% of new businesses in 2013 were started by women and 70​% of new…

A: Given that P(new business women) = 0.3 P(new business men)=0.7 P(above 50,000) /new business women)…

Q: In a business statistics class of 30 students, 17 are boys and 13 are girls. On a unit test, 4 boys…

A:

Q: In a bolt factory, Machine A, B and C manufacture 30, 30, and 40 percent of the bolt output. Of…

A: Given : P(A) = 0.3 P(B) = 0.3 P(C) = 0.4 Now, 4,3 and 2 percent of bolts from Machine A,B and C…

Q: What is the probability of selecting a family that has either a Visa card or an American Express…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

Q: Two-fifths of the students in a dorm are Business majors and three-fifths are non-Business majors.…

A: P(B.M) = Two-fifths of the students in a dorm are Business majors = 25=0.4 P(NBM)= three-fifths are…

Q: A group of students is surveyed and 55% of the group is from Midland and 40% of the group like…

A: According to the provided data, the probabilities are;

Q: (b) In one high school, the athletic director found that 8% of the varsity athletes had concussions…

A: Solution: Let A be the event that the athletes had concussions while playing at the school. P( A)=…

Q: In a certain high school, 20% of the students belongs to the math club, 10% belongs to the student…

A: here define events student belongs to math club = M student belongs to council = C p(M) = 0.20  p(C)…

Q: At a fast-food restaurant, 60% of the patrons order a burger. Of those ordering a burger, 40% also…

A:

Q: A small tool‑and‑die shop manufactures kneuter valves. A shipment of 1515 valves to a Swedish…

A:

Q: The athletic department of a school has 16 full time coaches, and 4 of them are female. The director…

A: According to the combination rule, if r distinct items are to be chosen from n items without…

Q: If during a race the remote malfunctioned, what is the probability that he was playing with his…

A: let the three remotes be 1,2 and 3 the kid plays each remote car with the given probability:…

Q: student has to choose an elective class for the last term of college. His counsellor suggested 8…

A:

Q: Suppose a group of students take an influenza test and 96% of the students test positive. What is…

A:

Q: A semi-truck for a recreational cycling group carries   11   mountain bikes and   13  ten-speed…

A: Solution

Q: A consumer organization estimates that over a​ 1-year period 19​% of cars will need to be repaired​…

A:

Q: At a certain hospital, 36 patients have lung cancer, 28 patients smoke, and 24 have lung cancer and…

A: Topic = Probability

Q: At a particular high school, 18% of the students participate in student council and 47% of the…

A: At a particular high school, 18% of the students participate in student council 47% of the students…

Q: a) If 20 melanoma patients are given Interleukin-2 plus a vaccine, what is the probability that…

A: Given: Number of patients = 178 Group A received interleukin-2 only, Group B received interleukin-2…

Q: A school survey found that 9 out of 10 students like pizza. If three students are chosen at random…

A: We have to find given probability..

Q: ) A football match played between Alanyaspor and Başakşehir teams ended 3-3. What is the probability…

A: A football match ended = 3-3 Total number of matches = 6 To find the probability that Alanyaspor…

Q: A consumer organization estimates that over a 1-year period 15% of cars will need to be repaired…

A: Let r0 denotes no repair required. Let r1 denotes repairing is needed for once. Let r2 denotes…

Q: A sample of automobile dealerships found that 19 % of automobiles sold are silver. If two cars are…

A:

Q: A small tool‑and‑die shop manufactures kneuter valves. A shipment of 15 valves to a Swedish…

A:

Q: the teachers’ room 60% are women; one in three women wears glasses and one in two men wears glasses:…

A:

Q: A friend of mine is giving a dinner party. His current wine supply includes 11 bottles of zinfandel,…

A: Given, 11 bottles of zinfandel, 9 of merlot and 7 of cabernet Total bottles = 27 If 6 bottles are…

Q: In a management trainee program, 80 percent of the trainees are female, 20 percent male. Ninety…

A: It is important in statistics . It is widely used nowadays .

Q: Four hundred fifty of the six thousand students at Ocean State College like math, three thousand…

A: Let us denote:M=MathE=English S=total studentsGiven that n(M)=450, n(E)=3500, n(S)=6000, n(M or…

Q: A classroom has five students wearing glasses and 16 students not wearing glasses. If we randomly…

A:

Q: Carrie buys a bag of cookies that contains 6 chocolate chip cookies, 8 peanut butter cookies, 5…

A: According to the given information, we have Carrie buys a bag of cookies that contains cookies.…

Q: Twenty five percent of a town's voters favor letting a major discount store move into their…

A: Given , P(Voters area in favor) = 25% = 0.25 P(Voters are against) = 60 %= 0.6 P( indifferent) = 15%…