A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over the age of 65. Seventeen coronary bypass patients are sampled. What is the probability that exactly 11 of them are over the age of 65? Round the answer to four decimal

Q: On average, the number of students that choose to study Arts related subjects at lowa University is…

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Q: This problem involves students who have taken Calculus in high school. Assume that 15 percent of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: The Royal Armouries Museum receives 48 people per hour during weekdays. What is the probability of…

A: Let X denote the number of people receive in 5 minutes. It is given that Number of people in 60…

Q: Last year, 1,460 calculators were returned to the manufacturer. If 83,000 were produced, assign a…

A: Given: Total number of calculators produced=83,000 Number of calculators returned=1460

Q: What is the probability that she will roll a number less than 3

A: Here cube is numbered from 1 to 6 So Total possible outcomes  1,2,3,4,5,6 That is total no of…

Q: What is the probability that the general manager is next to the vice president?

A: The probability of an event is given by, PE=Number of favorable outcomesTotal number of outcomes.…

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

A:

Q: If the probability that a randomly chosen college student takes statistics is 0.16, then what is the…

A:

Q: A financial analyst believes that if interest rates decrease in a given period, then the…

A: Let event A denotes that the interest rates will decrease in a given period And event B denotes that…

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

A:

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

A: Solution: Let X be the random variable that students taking undergraduate economics courses are in…

Q: What is the probability that a randomly selected balloon animal is green given that the balloon…

A: Since , the table given below ,    Giraffe Dog Total Purple 15 15 30 Green 5 12 17 Total 20…

Q: An economics professional body estimates that 75% of the students taking undergraduate economics…

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Q: A class in Engineering Data Analysis consists of 6 women and 4 men. Their grades are calculated, and…

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Q: A survey reports that 53% of college students use Google as their search engine. If 100 students of…

A: From the provided information, Sample size (n) = 100 Probability (p) = 0.53 Now,

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: In a five card poker hand, what is the probability of being dealt exactly one seven and no picture…

A: Here given five card poker hand dealt from standard deck of 52 cards  Here total picture cards = 12…

Q: The opera theater manager assumes that 10% of the opera tickets for tonight's show have been sold.…

A: Let X denotes tickets being sold. Probability of a ticket being sold (p) is given to be 0.1. a…

Q: If the probability that the Islanders will beat the Rangers in a game is 61%, what is the…

A: We have given that the Binomial distribution with parameter p=0.61 and n=6. The pmf of Binomial…

Q: What is the probability that out of 12 students on a swim team, they will line up from youngest to…

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

A: It is given that probability that an individual with a Bachelor Degree in Underwater Basket-weaving…

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

A: here given , A poll showed that 50% of Americans say they believe that life exists elsewhere in the…

Q: According to a recent survey, 35% of respondents drive Japanese-made cars. From a random sample of…

A: Let X be tbe number of driving a Japanese-made car from Binomial distribution with probability (p)=…

Q: Approximately 20% of the US population smokes cigarettes. A local government believed their…

A: Given data: The given percentage of the US population who smoke cigarettes are p=20%=0.20. The…

Q: What is the probability that he will roll a number greater than 2

A: Given:  A six pair to dice rolled from  S={1,2,3,4,5,6}  then to find probability that number…

Q: A film distribution manager calculates that 7 % of the films released are flops. If the manager is…

A: Where.

Q: A film distribution manager calculates that 7% of the films released are flops. If the manager is…

A: It is given that n =653 and p =0.07.

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: The provided information are: Population proportion (p) = 35% = 0.35 Number of Americans that are…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: Taken calculus in high school: 0.35 Plan to major in science­=0.65 Do not plan to major in…

Q: According to a recent study, 24% of the USA population is Catholic. The survey also shows that 71%…

A: Percentage of population is Catholic is 24%. Percentage of Catholic are Democrats is 71%. Percentage…

Q: What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The…

A:

Q: ) What is the probability that a randomly selected student spends less than $481 on textbooks this…

A:

Q: A recent survey found that​ 70% of all adults over 50 wear sunglasses for driving. In a random…

A: Given that in a recent survey found that​ 70% of all adults over 50 wear sunglasses for driving.…

Q: What is the probability that a randomly selected song had 501-1,000 plays and was rock?

A: The row totals and column totals are given in the following table:

Q: A film distribution manager calculates that 6% of the films released are flops. If the manager is…

A: According to the provided information, population proportion P = 0.06sample proportion p^ =0.08

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

A:

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: Solution: Let A be the event that students have taken calculus in high school and B be the event…

Q: The probability that a house in an urban area will develop a leak is 55​%. If 22 houses are…

A: Let "X" be the houses that will develop a​ leak.

Q: According to the Turkish Ministry of Health, the probability of a woman developing breast cancer…

A: Given: p=probability of developing cancer=1/5P(3 women out of 15 will develop breast cancer)=?

Q: In the province of Sakarya, an average of 50 power outages occur in a year. Over voltage occurs in 5…

A: Binomial distribution : A Binomial is a type of distribution which has two possible outcomes. i.e.,…

Q: Andrea did a survey in her statistics class and found that 18 students out of 25 use the library at…

A: Total number of students = 25Number of students uses library atleast twice aweek =18

Q: If two people are chosen with replacement from the data, what is the probability that both are…

A: Given contingency table is :   Athletic Shoes Sandals Dress Shoes Other Total Men…

Q: It is estimated that​ 20% of luxury cars manufactured in 2012 were silver. A car dealership…

A:

Q: A survey revealed that 40% of people are entertained by reading books, 34% are entertained by…

A: Let us denote B=entertained by reading booksT=entertained by watching TVGiven that P(B)=40%=0.40,…

Q: According to a study done by the Seattle City Council, 65% of Seattle adults own a car. Assume this…

A: The population proportion is p=0.65 The required probability is…

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

A: Let us denote B=reading bookT=wating TVgiven that n(B)=36%=0.36, n(T)=30%=0.30, n(B and T)=11%=0.11

Q: A communications industry spokesperson appeared on a national television show and was discussing…

A: Given The proportion of people in United states own a cell p=0.96The sample size n=50The formula for…

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: P(A/B) is the probability of event A when event B has already occurred.