Twenty five percent of a town's voters favor letting a major discount store move into their neighbourhood, 60% are against it and 15% are indifferent. What is the probability that a randomly selected voter from this town will either be against it or be indifferent?

Q: Out of the 125 children at summer camp, 45 signed up for swimming, and 38 signed up for arts and…

A: Given: Total students = 125 Students who signed up for swimming (S) = 45 Students who signed up for…

Q: In a survey of health insurers,  400 baby boomers and 600 pre-boomers were asked: do you believe…

A: Obtain the probability that he or she is a baby boomer, if a respondent chosen at random from those…

Q: Catherine Chao, director of marketing research, needs a sample of Kansas city households to…

A:

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: It was estimated that 30% of all seniors on a campus were seriously concerned about employment…

A: Let us denote: E=seriously concerned about employment prospects G= seriously concerned about grades,…

Q: If a randomly selected female student abstains from​ alcohol, what is the probability she attends a…

A: Given info: 20.4% of women attending all-women colleges abstained from alcohol, compared to 17.7% of…

Q: The local nursery is waiting for its spring annuals to be delivered, and 20% of the plants ordered…

A: Here, p is 20% and n is 120.

Q: The guidance department has reported that of the senior class, 2.3% are members of key club, K, 8.6%…

A: Given that      P(K)  = 2.3%  = 2.3/100     P(P)    = 8.6%  = 8.6/100   P(K and P)  = 1.9%  =…

Q: Thirty-five percent of the people who own cellphones use their phones to send and receive text…

A: Given,n=3p=0.35Let X=no.of people use their phones for textingX~Binomial(n=3 , p=0.35)P(X=x)=3x…

Q: In a recent study, 65% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: Given,n=11p=0.65Let X =no.of people name their favorite flavor of ice cream.X~Binomial(n=11 ,…

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

A:

Q: Prior to a municipal election, a public-opinion poll determined that the probability of each of the…

A:

Q: Ten percent of the engines manufactured on an assembly line are defective. If engines are randomly…

A: Given: Let q be the percent of the defective engines manufactured on an assembly line. That is 10%…

Q: 3. YO-Magic! Bakery receives on average 13 take-out orders of their best-selling cheesecake in one…

A: Given that, YO-Magic! Bakery receives on average 13 take-out orders of their best-selling cheesecake…

Q: Fifty percent of all technical assistants would like to have a PC. Eighty percent of all technical…

A: Given Information: 50% of all technical assistants would like to have a PC. That is PPC=0.50 80% of…

Q: A major appliance retailer claims that 18% of its sales are dishwashers. If 112 appliances are sold…

A: Given info: Here, n=112, p=0.18.

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

A:

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: A baby born in 2011 is randomly selected. What is the probability that the baby was born in March?

A:

Q: In the construction of midrise buildings, a safety engineer claims that only 40% of all workers wear…

A: Solve using Binomial distribution

Q: Fifteen percent of the students at Central High take Spanish, 12% take French, and 4% take both. If…

A: SOLUTION-

Q: In a recent​ survey, it was found that the median income of families in country A was ​$58,000. What…

A: In a recent​ survey, it was found that the median income of families in country A was ​$58,000.

Q: Police records show that for a certain area in Arendale, when the driver of a car double parks, 60%…

A: Let X be the number of not allowed towed away  Let p be the probability of towed away=0.6  q be the…

Q: The guidance department has reported that of the senior class, 2.3% are members of Key Club, K, 8.6%…

A: P (P ∩ K) = 1.9 % P (P) = 8.6 % P (K) = 2.3 %

Q: 2.  In a recent survey, 18 people preferred milk, 29 people preferred coffee, and 13 people…

A: Given data in a recent survey  18 people preferred milk , 29 people preferred coffee, 13 people…

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

A:

Q: Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair…

A: Given data:     The total number of failed keyboards are: n=25 The number of electric defects failed…

Q: In a group of 100 sports car buyers, 40 bought alarm systems, 30 purchased bucket seats, and 20…

A: Let  A be am event that alarm bought  B  be an event that bucket seat is bought   Given ,  Required…

Q: In a group of 20 students, 7 like ice tea and the others do not. Two students are randomly selected…

A: Given : Total students = 20 Number of students like ice tea = 7 number of students does not like ice…

Q: Three percent of a given lot of manufactured parts are defective. What is the probability that in a…

A:

Q: An internet job recruitment company, Companyl, claims on their website that their company doubles…

A:

Q: A marketing research survey shows that approximately 80 percent of the car owner surveyed indicated…

A: Probability of an event is chances of occurrence of the event. Probability of an event is computed…

Q: it is estimated that 4800 of the 24,000 voting residents of a town are against a new sales tax. If…

A: Given: Number of residents against a new sales tax (x)= 4800 Total voting residents (N)=24000

Q: A car insurance company has high-risk, medium-risk, and low-risk clients, who have, respectively,…

A: Given: P(Hisk risk client filed a claim) = 0.04  P(Medium risk client filed a claim) = 0.02…

Q: In a given year 2,103,001 males and 2,325,160 females were born in a certain county. If a child is…

A: Number of males = 2103001 Number of females = 2325160 Total number of child = 2103001 + 2325160 =…

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: A random variable X is said to follow a binomial distribution with parameters 'n' and 'p' ( where n…

Q: Kareem Abdul Jabbar and Larry Bird are very different when it comes to making free throws.  A sports…

A:

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: Suki is enrolled in one data-management class at her school and Leo is in another. A school quiz…

A:

Q: A total of 42 percent of the voters in a certain city classify themselves as Independents, whereas…

A: Let I be the event representing the Independent voters. Let L be the event representing the Liberal…

Q: In a summer camp, 48% of the children are enrolled in swimming and 40% in tennis. One-third of the…

A:

Q: Ashley conducted an experiment to see which one of her friends has the best sense of smell. She…

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: Thirty-eight percent of all shoppers at a large department store are holders of the store’s charge…

A: It is given that, thirty-eight per cent of all shoppers at a large department store is holders of…

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 public-interest group was planning to make a court challenge to auto insurance rates in one of…

A: Given information- We have given probability of 3 cities. Probability for Atlanta, P (A) = 0.40…

Q: Bicycles for hire at the Durban Beach front are deemed beyond repair when one or both its wheels are…

A: A number of events are said to be independent if the probability of occurrence of any one of them is…