new customers and that, of these new customers, 80% had used some rival service in the previous year. It is also estimated that, of all solicitation calls made, 60% are to people who had used a rival service the previous year. What is the probability that a call to a p

Q: Based on the most recent census, it is known that 32% of the adult population of North Nitch are…

A: We have given thatp = 0.32 n = 1000q = 1 - p = 1 - 0.32 = 0.68

Q: According to the Mortgage Bankers Association, 8% of U.S. mortgages were delinquent last year. A…

A: p=0.08q=1-0.08=0.92n=8A random variable XBinomial(n=8 , p=0.08)P(X=x)=

Q: A study has shown that 65% of students at some time in their college career have skipped buying…

A: Solution-: Given: We find,

Q: In an effort to cut costs and improve profits, any US companies have been turning to outsourcing. In…

A:

Q: A leading large college recently reported that 40.5% of its student body had concerns about the…

A:

Q: It is known that 35% of adult females are experiencing sleep disorder. If 17 adult females are…

A:

Q: According to a data company, 75% of smartphones in the world use Google's Android operating system…

A: As per our guidelines we are suppose to answer only three sub parts. Given ,n=14p=0.75q=1-0.75=0.25A…

Q: The combined amount of time three customers spend waiting to receive service at a drive-through…

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per…

Q: Given the information that 40% of people brush their teeth at least once a day, and among these…

A: Event A : brush their teeth at least once a dayEvent B : have tooth decay each yearP(A) = 0.40P(A')…

Q: Data compiled by Berks County on the number of convicted shoplifters in 2019 revealed that 62% were…

A: Let M and F be the event represent that number of convicted shoplifter are male amd female with…

Q: It has been found that 1 out of every 10 people who visit a local store purchasecigarettes. If we…

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

Q: It was estimated that 50% of students were seriously worried about job prospects, 35% were thinking…

A: Given that, 50% of students were seriously worried about job prospects 35% were thinking about their…

Q: It is estimated that 0.55 percent of the callers to the Customer Service department of Dell…

A: It is estimated that 0.55 percent of the callers to the Customer Service department of Dell…

Q: According to Internal Revenue Service records, 1.68% of all household tax returns are audited.…

A: Let A be the event all household tax returns are audited.B be the event all households own a…

Q: On-Time Airlines. The Office of Aviation Enforcement and Proceedings (OAEP) publishes important…

A: a. The probability of all flights arriving at U.S. airports is 0.76 and the number of arrivals in…

Q: Based on data from the U.S. Center for Health Statistics, the death rate for males in the 15-24 age…

A: It is given that the death rate for males in the 15-24 age group is 114.4 per 100,000 population.

Q: The National Association of Realtors estimates that 23% of all homes purchased in 2004 were…

A: Given that, p= 0.23 The sample of 800 homes sold. Sample size is n= 800 Let X represents the number…

Q: In a certain year, 23.2% of all light vehicles were light trucks, 7.0% were SUVs, and 69.8% were…

A: Let A be the event that the deadly proved accident occurred to the driver Given that P(A | Light…

Q: A liquor store owner is willing to cash personal checks for amounts up to $50, but she has become…

A: Let A1, A2, ... , An be n mutually exclusive and exhaustive events with P(Ai) > 0 for all i = 1,…

Q: A recent study by Allstate Insurance Co. finds that 78% of teenagers have used cell phones while…

A:

Q: has been estimated that 17 % of mutual fund shareholders are retired persons. Assuming the…

A: We have to calculate population mean  standard deviations  here n= 400, p= 0.17

Q: Create a scenario from your own experiences that can be used to model a probability problem with…

A: Scenario that can be used to model a probability problem with related events, where there is…

Q: According to a survey, about 17% of Adult Americans bet on professional sports. Census data indicate…

A: Given Data: P( bet)=0.17 P( male)=0.484

Q: On any given work day, Lillian notices that as she’s driving to school, she is first stopped by a…

A: Let T denote Train and R denote Red light. Given: PR=0.70PT=0.40 Stopped by red light and train are…

Q: A fuel company conducts a geologic survey, that has a 20% chance of striking an oil reserve. What is…

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n…

Q: A tutoring company claims that 75% of the high school students who hire one of their tutors will…

A: Here the given information is A tutoring company claims that 75% of the high school students who…

Q: A recent poll indicates that 48% of all registered voters in America plan to vote for a specific…

A: given data, p=0.48n=12q=1-0.48=0.52p(X=x)=nCx *px*q(n-x) (binomial distribution)x= no. of ragisterd…

Q: Out of a survey of 400 customers, under the assumption that 0.5 is the correct proportion, what is…

A: From the provided information, Sample size (n) = 400 Proportion (p) = 0.5

Q: Some cyclists ride their bicycles on the wrong side of the road, the opposite direction of car…

A: It was stated that some cyclists ride their bicycles on the wrong side of the road, the opposite…

Q: In a survey of Canadian nurses who worked more than 45 hours per week, it was found that 321 nurses…

A: Given Data n(nurse under 35 age)=321 n( nurse between 35 to 55 age)=403   Total=321+403=724

Q: According to an article in the February 1991 issue of Reader’s Digest, patients face a 1 in 20…

A: From the provided information, Patients face 1 in 20 chance of acquiring an infection while…

Q: A telemarketing firm conducts surveys with a 40% historical response rate. What is the probability…

A:

Q: A politician running for Senate in California claims that only 34% of Californians approve of the…

A: Obtain the probability that more than 40% of those surveyed approve of the competitor. The…

Q: Golden Years Insurance company estimates the probability that a randomly selected male senior…

A: In here we've the details of senior citizens own supplemental health insurance from Golden Years…

Q: A company hires management trainees for entry level sales positions. Past experience indicates that…

A: The provided information is as follows:The probability of success is .The total number of hired…

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: An organization conducts an annual survey of cybersecurity at firms from around the world. In a…

A: The provided information is as follows:The total number of firms is .The total number of firms that…

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: At a bakery, a customer with a purchase amount of under $20 has a probability of 0.35 of using a…

A: