It has been found that 1 out of every 10 visitors to a museum buys something from the gift shop. If we randomly select a sample of 12 visitors to the museum, what is the probability that no more than three of the visitors will buy something from the gift shop? Interpret your answer.

Q: It has been found that 2 out of every 10 people who visit a local store purchase juice. If we…

A: Let x follows binomial distribution with parameters, The pdf of binomial distribution is, The…

Q: From experience, an airline knows that only 73% of the passengers booked on a flight from New York…

A: There is only two possibilities either ticket booked(success) or not booked ( failure) If r.v is X ,…

Q: In a survey, 510 adults were asked if they drive a pickup truck and if they drive a Ford.  The…

A: Given information:From the survey in which 510 adults were asked about the status of driving a…

Q: If couples are selected at random from the population, what is the probability that the first couple…

A: Let p denote the probability of having twins. Given that p = 3% = 0.03 Let X denote the trial number…

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: In a recent study, 29% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

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Q: Suppose a study of driving under influence and driving without seatbelt produced the following data:…

A:

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: The following table compares the gender vs the level of education of the patients seen in some…

A:

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A:

Q: In a football school, 25 matches per month are played. 15 of the 25 matches played in the past years…

A: Given ,no.of matches (n) =25and P=1525=35X=no.of matches won

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

A: Given Information: 0.19% of the automobiles sold are silver. Two cars are selected randomly.

Q: A jury of 12 people is selected randomly from the population. If it is known that approximately half…

A: Solution

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

A: Introduction :-  Here we have to find various probabilities. Given, A marketing research survey…

Q: To avid detection at customs, a traveler places 6 narcotic tablets in bottle containing 9 vitamin…

A:

Q: Statistics released by the National Highway Traffic Safety Administration and the National Safety…

A: Let,  The total number of drivers n = 400 We consider it success if a driver is drunk. The…

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: Past records of a factory show that 4% of the candles produced are defective. What is the…

A:

Q: A fortune 500 company asked its 1520 employee this question: “Did the work condition too…

A: Given information can be shown in the table below:   Yes No Total Males 134 651 785 Females…

Q: A recent survey found that 62% of the households surveyed had internet access,68% had cable TV, and…

A: Given, A recent surveyA=households survyed has internet accessB= has cable TVPA=62%  =0.62…

Q: A DVD rental store wants to know what proportion of its customers are under age 21. A simple random…

A: Given, p = 0.60 n = 600 Let p^ be the sample proportion

Q: According to a study published in a reputable science​ magazine, about 8 women in​ 100,000 have…

A: We have given that  P(C)=0.00008 P(test pos|C)=0.89 Find P( test pos and C)

Q: The percentage of the damaged production of a lamp factory is 1000. If a sample of 5 lamps is…

A:

Q: About 10​% of the population of a large country is nervous around strangers. If two people are…

A: The probability that a randomly selected people is nervous around strangers is 0.10. The probability…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Obtain the probability that no more than two of the visitors will purchase milk. The probability…

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

A: Let the random variable X denote the number of visitors who visit a local store purchase cigarettes.…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given: n=13 p=210=0.2

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: In a data set of 10,000 users, 800 users watched the movie Harry Potter; 600 users watched the movie…

A:

Q: In a certain year, the probability that a randomly selected vehicle would be involved in a deadly…

A: We know that, given a tire-related accident, the probability of it being deadly  is 0.04 P(Deadly |…

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

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Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

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

A:

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: Migraine medication was administered to patients in that 12% experienced weight gain as a side…

A: We have to find probability..

Q: The CDC knows from past studies that 23 out of every 100 children from a local community have not…

A: We have to find given probability.

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: The probability that more than three of the visitors will purchase milk is obtained below: From the…

Q: A study by the National Park Service revealed that 50 percent of vacationers going to the Rocky…

A: The following information has been given: The probability of vacationers visit Yellowstone Park is…

Q: A sampling of children was asked if they would they prefer a lion or elephant  as their favorite…

A: Given data,   Lion Elephant Total Boys 90 110 200 Girls 75 85 160…

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

A:

Q: In a marketing research survey, people are interviewed about product usage. One of the questions is…

A: Given: Probability of brand A, P(A)=14%P(A)=0.14 Probability of brand B, P(B)=9%P(B)=0.09 The…

Q: A manufacturer of aspirin claims that the proportion of headache sufferers who get relief with just…

A: Consider that p is population proportion of headache sufferers who get relief with just two…

Q: In a company that makes sports bikes, 90% of the bikes pass final inspection and 10% fail and need…

A:

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given that 2 out of every 10 people who visit a local store purchase milk.  So the probability that…

Q: Within the general population in the 21st century, the chances of having twins are about 3 in 100…

A: Given Information: Let A be the event of getting a couple with twin baby. Let B be the event getting…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.