A national survey reported that 31% of adults in a certain country have hypertension (high blood pressure). A sample of 21 adults is studied. Round the answer to at least four decimal places. What is the probability that more than 8 have hypertension?

Q: A national survey reported that 31% of adults in a certain country have hypertension (high blood…

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Q: Twenty-one percent of people say they've seen a ghost or felt its presence. If 13 people are asked,…

A: Answer:- Given, Twenty-one percent of people say they've seen a ghost or felt its presence. That is,…

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

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Q: According to FBI data 12% are cleared. What is the probability that the detective clears five…

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

Q: thirty four percent of us adults have very little confidence in newspapers. You randomly select 8 US…

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

Q: Marketers find that 87% of US teenagers use the Internet. Consider a random sample over 282 US…

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Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: The probability that a person in the United States has type B blood is 10%. If 3 people are randomly…

A: Let X be a random variable that represents the person in the united states who has type B blood. The…

Q: In America, 6.7% of adults suffer from heart disease.  Assume we have a diagnostic test for heart…

A: Introduction: The sensitivity of a test is the probability that the test result is positive, given…

Q: A real estate agent has 18 properties that she shows. She feels that there is a 40% chance of…

A: We have to find given probability.

Q: A nurse has found that persons calling a medical advice line who think they have the flu, only…

A: Solution: Let X be the number of callers actually have the flu and n be the sample number of…

Q: According to Gallup poll, 36% of all college students use an Apple i phone only.  If a sample of 200…

A: 1. Consider that p is population proportion of all college students who use an Apple i phone.

Q: You want to determine the probability that when five consumers are randomly selected, exactly two of…

A: The question is about binomial prob. distribution Given : No. of randomly selected customers ( n ) =…

Q: 11 of the 744 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: From the provided information,11 of the 744 digital video recorders​ (DVRs) in an inventory are…

Q: 45% of Americans don’t know the sun is a star. The data is normally distributed.Find the probability…

A: Given data, p=45%=0.45 n=120 P(p>0.42)=?

Q: A blood test for diabetes gives a positive result with a proportion of 0.18 when an individual has…

A: Given that :A blood test for diabetes gives a positive result with a proportion of 0.18 when an…

Q: A quality assurance check is 91% accurate for non-defective devices and 97% accurate for defective…

A: Let us consider that there are 10000 devices. Now given that of the devices checked 84% are not…

Q: One of the random samples of 6 people has a sample mean of 78 kg. Does this surprise you? Provide…

A: Given that Sample size (n)=6 Population mean =70 One of the random samples of 6 people has a sample…

Q: Do you know Squidward? According to a survey by Nickelodeon TV, 87% of children under 13 in Germany…

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Q: If a person is chosen at random, what is the probability that he or she does not smoke? (round your…

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Q: It is known that 16% of people ride public transport without paying for it. We talk to 91 people who…

A: Givenp=0.16n=91

Q: A national survey reported that 31% of adults in a certain country have hypertension (high blood…

A:

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

A: Given,

Q: A real estate agent has 16 properties that she shows. She feels that there is a 50% chance of…

A: Given,n=16p=50%=0.5,m 1-p=1-0.5=0.5Compule the probability of selling less than…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: Given that  Number of trials n=5 Success of probability p=0.5 X~binomial (n,p)

Q: It has been reported that 48% of people text and drive. A random sample of 60 drivers is drawn. Find…

A: The z-score is calculated by using: Where,

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

A:

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: Example: Twenty percent of regular M&Ms are orange. Suppose that you took a random sample of 25,000…

A: It is given that the proportion of regular M&Ms which are orange is:  Size of random sample:…

Q: According to a report in Parade magazine, a nationwide survey conducted by the University of…

A: We have given that Probability (p)  = 0.70  Number of samples(n) = 12 Here we will use binomial…

Q: A real estate agent has 1717 properties that she shows. She feels that there is a 60%60% chance of…

A: Step 1:Since, there is two possible outcomes one is chance of selling any one property during a week…

Q: The director of a health club conducted a survey and found that 23% of members used only the pool…

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Q: The average number of calls per minute received by a telephone switchboard is 120. What is the…

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Q: A coin is tossed 14 times. What is the probability of getting heads exactly one time? Round your…

A: a coin is tossed 14 timesProbability of getting heads when a coin is tossed(p)==0.5sample…

Q: A Sports Academy trains young athletes for international events. 22% of the athletes choose…

A: It is given that in a academy 22% athletes choose football, 52% choose cricket, and rest choose…

Q: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

A:

Q: The average monthly grocery bill for an individual is normally distributed with a mean of $85 and a…

A:

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A:

Q: Find the probability for the sample proportion of men who experience sleep apnea to be le

A: Suppose that 20% of the population of men experience sleep apnea. A random sample of n = 64 men is…

Q: cars fail emissions inspection. ABSume that thế Pesu an emissions control center, 1375 a. What is…

A: The probability that first inspection failure will be observed at the 6th position.    Probability =…

Q: In a poll about work, 68% of respondents said that their jobs were sometimes or always stressful.…

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Q: Fifty-three percent of all U.S. citizens have some college education. Choose 10 people at random,…

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Q: There are 14 red marbles, 9 white, and 10 black marbles in a box. What is the probability of…

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Q: t is estimate that 40% of households own a riding lawn mower. A sample of 11 households is studied.…

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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.