A survey showed that 72% of adults need correction (eyeglasses, contacts, surgery, etc.) for their eyesight. If 9 adults are randomly selected, find the probability that no more than 1 of them need correction for their eyesight. Is 1 a significantly low number of adults requiring eyesight correction? The probability that no more than 1 of the 9 adults require eyesight correction is. (Round to three decimal places as needed.)

Q: In a sample of 50 people, 21 had type O blood, 22 had type A blood, 5 had type B blood, and 2 had…

A:

Q: In a particular survey of internet users, 3605 respondents say that they use social networking sites…

A: From the provided information, 3605 internet users say that they use social networking sites and…

Q: In a batch of 1960 calculators, there are, on average, 10 defective ones. If a random sample of 147…

A: We have given that,  Let X be the number of defective units from binomial distribution and sample…

Q: A.A safety engineer claims that only 40% of all workers wear safety helmets when they eat lunch at…

A:

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

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

A:

Q: According to a poll of​ adults, about 4848​% work during their summer vacation. Assume that the true…

A: From the given information, it is clear that sample size, n = 600.The probability of success, p hat…

Q: The table summarizes results from 983 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian who's no  intoxicated =70+573=643 Total number of accident=983 We want to…

Q: According to a recent study, 1 in every 10 women has been a victim of domestic abuse at some point…

A:

Q: Suppose 47% of the population has a college degree. If a random sample of size 501 is selected, what…

A: It is provided thatp = 0.47, q = 1- p = 1-0.47 = 0.53 and n = 501Consider, the sampling distribution…

Q: A nationwide survey of college seniors by a university revealed that almost 70% disapprove daily pot…

A:

Q: A bag of marbles contains 6 blue glass marbles, 8 yellow glass marbles, 33 blue stone marbles, and 2…

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

Q: In a police report submitted by the Cordillera Police Station, poverty is the main reason mentioned…

A: Solution: Let X be the number of crimes resulted from poverty as the main reason for committing…

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: The National Vaccine Information Center estimates that 90% of Americans have had chickenpox by the…

A: It is given that 90% of Americans have had chickenpox by the time they reach adulthood.

Q: According to a recent study, 1 in 7 women has been a victim of domestic abuse at some point in her…

A: Solution: Let X be the random variable that the number of women  has been a victim of domestic abuse…

Q: A study of 240 randomly selected residents of a subtropical resort city with 82,000 residents found…

A: It is given that n =240 and p =0.03.

Q: 8. If 30 percent of the mice used in an experiment will become very aggressive within one minute…

A:

Q: The Club reports that among individuals in the 28 to 32 age, 35% are football fans. If 200 people of…

A: We have given that p = 35% = 0.35 n = 200

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

A: Given Information No of headache sufferers (n) = 400 Proportion of Headache sufferers who get relief…

Q: three out of four university students under 25 years old have eaten eggs for breakfast. If a random…

A: Solution: Given data: Probability, P = 3/4  = 0.75 Sample size (n) = 20 To find : the probability…

Q: Five percent of all credit card holders eventually become delinquent. The probability, rounded to…

A: Given, p = 5% = 0.05 q = 1 - p = 1 - 0.05 = 0.95 n = 19

Q: Based on a smartphone survey, assume that 60% of adults with smartphones use them in theaters. In a…

A:

Q: A component of a spacecraft has both a main system and a backup system operating throughout a…

A: Given: A component of a spacecraft has both a main system and a backup system operating throughout a…

Q: A survey has shown that on average, 1 person in 1000 makes a mistake on leaving their belongings…

A:

Q: According to a recent study, 1 in every 7 women has been a victim of domestic abuse at some point in…

A: Introduction: The binomial distribution is a discrete probability distribution. It is a finite case…

Q: Based on a poll, 67% of Internet users are more careful about personal information when using a…

A: We have to find out given probability.

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: Consider the case where the predetermined average number of bus arrivals at cubao station is 6 per…

A: The pre determined average number of bus arrivals at cubao station is 6 per 15 minute period.

Q: In a clinical trial, 3% of the patients in the study experienced fatigue as a side effect. Suppose…

A: Given that  n=20 , p=3%=0.03 , q=1-p=1-0.03=0.97 X~Binomial(n=20 , p=0.03) X=Number of the patients…

Q: According to a study on teenage shopping behavior, it was found that 74% of female teens regularly…

A: Answer: Given that: p= 0.74 , n= 6 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: In a retirement community, 13% of cell phone users use their cell phones to access the internet. In…

A:

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

A: Solution: From the given information, the proportion of headache sufferers who get relief with just…

Q: According to a study on teenage shopping behavior, it was found that 75% of female teens regularly…

A: Solution: Let X be the number of teenagers do their shopping in stores and n be the number of…

Q: Based on a​ poll, 70​% of Internet users are more careful about personal information when using a…

A: The probability of an internet user uses a public Wi-Fi hotspot is 0.70.The number of randomly…

Q: The probability of an adult in Australia having hazel colored eyes is 20%. If a simp random sample…

A: Given information: The probability of an adult in Australia having hazel colored eye is 20%. The…

Q: Of 300 male and 270 female employees at the home office of Gibraltar Insurance Company, 140 of the…

A: For a randomly selected employee,Let M denote the event that the employee is a man.Let F denotes the…

Q: An engineering school reports that 51% of its students were male (M), 33% of Type number- its…

A: P(M)=0.51 P(A)= 0.33 P(M and A)= 0.24 The general addition rule of probability is, P(M or A) = P(M)…

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

A: As our sample size is large we will assume our data to follow normal distribution. Let X be the…

Q: According to a poll of​ adults, about 40​% work during their summer vacation. Assume that the true…

A: From the given information, Sample size (n) = 500 Probability of success (p) or adult work during…

Q: 7 percent of all cooling fans produced in a factory are defective. A quality inspector randomly…

A: Let p be the probability that a fan is defective. Given that p = 7% = 0.07 Let X denote number of…

Q: According to data from the American Medical Association, 10% of the population is left-handed. If 5…

A:

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

A: Here, the given values are: Calculate the mean

Q: Based on a survey, when 1009 consumers were asked if they are comfortable with drones delivering…

A: Let x be the number of customers comfortable with the drones is represented as 0 + which follows…

Q: If 8 adults are randomly selected, the probability that exactly 2 of them do not require a vision…

A: here use binomial distribution Each trial is independent Finite number of trial There are two…

Q: In a genetics experiment on peas, one sample of offspring contained 367 green peas and 40 yellow…

A: Given data Sample of offspring contains 367 green peas and 40 yellow peas Total peas = 367 + 40 =…

Q: A safety engineer claims that only 30% of all workers wear safety helmets when they eat lunch at the…

A: The Probability mass function for Binomial distribution is given by                     P(X=x)=ncx…

Q: Based on a study by Dr. P. Sorita at Indiana University, approximately 12% of people have green…

A: It is given that n =0.12 and n = 650.

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

A: Let the random variable X be the number of wear glasses. X takes values 0,1,2,.....,10 . p =…

Q: A sample of 4 different calculators is randomly selected from a group containing 20 that are…

A: Given,no.of defective calculators=20no.of non defective calculators=10total no.of calculators=30

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.