A recent study reported that 78% of Europeans can converse in more than one language. A random sample of 140 Europeans was randomly selected. What is the probability that 110 or more of these Europeans could converse in more than one language? 0.4352 0.6389 0.8432 0.5648

Q: According to a recent study, 14% of U.S. drivers are uninsured. A random sample of seven drivers was…

A:

Q: About 8% of males are colorblind. Researcher needs the colorblind men for an experiment. What is the…

A: Given, n=9 p=8%=0.08

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A:

Q: According to a certain country's department of education, 43.3% of 3-year-olds are enrolled in day…

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

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: Ffgg

Q: The conditional algebritis affects 15% of college professors. The blood test for algebritis…

A: From the given information, The percentage of affect is 15% That is, P(affect)=0.15 and P(not…

Q: A nationwide survey of seniors by the University of Michigan reveals that almost 30.0% disapprove of…

A:

Q: Only 4% of people have type AB blood. a. On average, how many donors must be checked to find someone…

A: If each trial has only two possible outcomes, that is, success and failure, the probabilities of…

Q: noted psychic was tested for ESP. The psychic was presented with 180 cards face down and was asked…

A: We have given that  Null and alternative hypothesis  H0 : p = .2Ha : p > .2 Sample size n= 180…

Q: It has been reported that 3% of all cars on the highway are traveling at speeds in excess of 70 mph.…

A: 3% of all cars on the highway are travelling at speeds of excess 70 mph. Hence probability that a…

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

Q: A poll reported that 63% of adults were satisfied with the job the major airlines were doing.…

A: Sample size(n)=20 Probability of success(p)=0.63 q=1-p q=1-0.63=0.37 A random variable…

Q: 10.2% of the population is 65 or older. Find the probability that the following number of persons…

A: According to the given information, we have Sample size, n = 20

Q: A poll reported that 63% of adults were satisfied with the job of major airlines were doing. Suppose…

A: p=0.63 n=20 P(X=11)=?

Q: According to a 2020 article, 69% of men do not wash their hands after using a public restroom.…

A: This is a case of binomial probability. The formula for binomial probability is shown as follows: ,…

Q: Suppose that 30% of all college freshmen gain weight. A sample of 20 selected randomly. What is the…

A: The random variable X is the college freshmen gain weight which follows binomial distribution with…

Q: According to the 2020 census, 39.84% of Connecticut adults hold at least a bachelor’s degree. If…

A: In question, Given that According to the 2020 census, 39.84% of Connecticut adults hold at least a…

Q: The Association reports that among individuals in the 48 to 55 age, 45% drink coffee. If 200 people…

A: let X: number of coffee drinkers…

Q: 15 of the 50 digital video recorders in an inventory are known to be defective. What is the…

A:

Q: In a survey of a random sample of 1,500 residents aged 25 years or older from a particular county,…

A: We solve this question just by using some logic and basic arithmetic. The definition and use of…

Q: A noted psychic was tested for ESP. The psychic was presented with 260 cards face down and was asked…

A: a) Define that p is the true probability that the psychic correctly identifies the symbol on the…

Q: Suppose that 30% of the employees in a large factory are smokers. What is the probability that there…

A: Obtain the probability that there will be exactly two smokers in a randomly chosen five-person work…

Q: According to a certain country's department of education, 44.2% of 3-year-olds are enrolled in day…

A:

Q: In a New York Times article a reporter stated that seventy three percent of its readers favored the…

A:

Q: Assume 79% of all ducklings are adorable. You take a sample of 16 ducklings. What is the probability…

A: Given,n=16p=0.79q=1-pq=1-0.79=0.21A random variable X~Binomial(n=16 , p=0.79)P(X=x)=16x0.79x0.2116-x…

Q: 11.2% of the population is 65 or older. Find the probability that the following number of persons…

A: From the provided information, 11.2% of the population is 65 or older that is p = 0.112 Sample size…

Q: In a recent poll of female college students, 70% stated that they plan to graduate with a STEM…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: 65% of Americans drink one coffee a day. With a random sample of 45 Americans, what is the…

A: Solution: Given information: n= 45 Sample of Americans  p= 0.65 Population proportion of Americans…

Q: recent survey found that 60% of all adults wear sunglasses for driving. In a random sample of 10…

A: GIVEN DATA P9wear sunglasses) = p = 0.60sample size(n) = 10x = no. pf people wear sunglassesP(x=X) =…

Q: In a survey of 1002 people, 701 said that they voted in a recent presidential election (based on…

A: We have to find given probability