10.6% of the population is 65 or older. Find the probability that the following number of persons selected at random from 20 people are 65 or older. The probability that at most 2 are 65 or older is (Round to three decimal places as needed.)
Q: 13% of US residents are in their 30s. consider a group of 9 US residents selected at random. find…
A: It is given that the 13% of US residents are in their 30s i.e. the prob. that US residents are in…
Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or classes.…
A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…
Q: 77% of all students at a college still need to take another math class. If 5 students are randomly…
A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…
Q: Assume that when adults with smartphones are randomly selected, 60% use them in meetings or…
A:
Q: The probability that an individual is left-handed is 0.130. In a class of 25 students, what is…
A:
Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…
A:
Q: Assume that when adults with smartphones are randomly selected, 54% use them in meetings or classes.…
A: Given, P(Adults using smart phones in meetings or classes)= p = 54% = 0.54 Sample size n = 5 exactly…
Q: 8% of all Americans live in poverty. If 45 Americans are randomly selected, find the probability…
A: Note- Since you have posted a question with multiple sub-parts, we will solve the first three…
Q: The table summarizes results from 987 pedestrian deaths that were caused by autornobile accidents.…
A:
Q: Assume that when adults with smartphones are randomly selected, 42% use them in meetings or classes.…
A: Let X be the random variable from binomial distribution with probability (p) = 42% = 0.42 and sample…
Q: Suppose 12% of Americans smoke. If we randomly select 10 Americans, what is the probability that…
A: Consider X is a random variable that follows binomial distribution with the sample size, n equals to…
Q: Assume that when adults with smartphones are randomly selected 52% use them in meetings or classes.…
A:
Q: A financial services committee had 60 members, of which 10 were women. If 9 members are selected at…
A: a. The probability that 7 men and 2 women are selected is 0.3041 and it is obtained below: From the…
Q: Assume that when adults with smartphones are randomly selected, 47% use them in meetings or…
A: given data P(use smartphone in meeting or class) = p = 0.47sample size (n) = 8x = no. of people use…
Q: A group of people were asked if they had run a red light in the last year where 376 responded "yes,"…
A: Event: In probability theory, an event is an outcome or a set of outcomes of a random experiment to…
Q: A physics class has 40 students. Of these, 16 students are physics majors and 18 students are…
A: GivenTotal No. of students=40No.of physics majors=16No.of female =18No.of females and physics…
Q: 53% of undergrads at UD are from Ohio. If a Simple Random Sample of 180 UD undergrads will be taken,…
A: proportion of Undergrads at UD are from Ohio(p)=0.53sample size(n)=180Mean()=p=0.53standard…
Q: A group of people were asked if life exists elsewhere in the galaxy. 336 responded "Yes", and 400…
A: The number of people believe in existence of life elsewhere in the galaxy is 336. The number of…
Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…
A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.
Q: Of the cartons produced by a company, 9%have a puncture, 3% have a smashed corner, and 0.5%…
A: Given : Let A : Cartons has a puncture P(A) = 9% = 0.09 Let B : Cartons has a smashed corner P(B) =…
Q: In a large population, 62 % of the people have been vaccinated. If 4 people are randomly selected,…
A: It is given that p=0.62 and n=4.
Q: Exactly 2 of them need to take another math class. b. At most 2 of them need to take another math…
A: Given that n = 5 , p = 71% = 0.71 , q = 1 - p = 1 - 0.71 = 0.29 X ~ Binomial (n = 5 , p = 0.71) X:…
Q: A group of people were asked if they had run a red light in the last year. 431 responded "yes", and…
A:
Q: Find the indicated probability. Round to three decimal places. 33% of the computer science majors…
A: Givenp=0.33sample size(n)=10x~Binomial(n=10 , p=0.33)P(X=x)=(nx)×px×(1-p)n-x ; x=0,1,...,n
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: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…
A: Solution: The given table of data is
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: Assume that when adults with smartphones are randomly selected, 36% use them in meetings or classes.…
A: We have to find given probability..
Q: Use the following table to find the probability that a randomly chosen member of the Student…
A: The data of the students on the Student Government Board are given. The probability that a randomly…
Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of six…
A: P9chemistry major) = p = 0.20 sample size(n) = 6 x = no. of chemistry majors P(x=3) = ?
Q: ssume that when adults with smartphones are randomly selected, 45% use them in meetings or classes.…
A: given data, p(use smartphones in meeting or classes)=p=0.45q=1-p=1-0.45=0.55n=8x= no. of smartphone…
Q: 62% of all Americans are home owners. If 44 Americans are randomly selected, find the probability…
A: Given Sample size n=44, p=probability of all Americans are home owners According to Bartleby…
Q: 61% of all students at a college still need to take another math class. If 4 students are randomly…
A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…
Q: Suppose that 15% of the population is left-handed. Find the probability that in group of 50…
A: Introduction :- We want to find the probability that there will be exactly 5 people in the group of…
Q: 76% of all students at a college still need to take another math class. If 4 students are randomly…
A: Let 76% of all students at a college still need to take another math class. i.e. p=0.76 and 4…
Q: A group of people were asked if they had run a red light in the last year. 278 responded "yes", and…
A: Given: Number of people run red light, n(A)=278 Number of people didn't run red light, n(B)=677…
Q: The probability that a person catches a cold during the cold and flu season is 0.4. If 10 persons…
A: We have given that- P(a person catches a cold during the cold and flu season) = 0.4 Sample size, n =…
Q: There are 14 red marbles, 9 white, and 10 black marbles in a box. What is the probability of…
A:
Q: Of all registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are…
A: Provided information is ; number of trials(n) = 15 10 % fails the emissions test = p= 0.1 therefore…
Q: A soccer team estimates that they will score on 8% of the corner kicks. In next week's game, the…
A:
Q: Assume that adults with smartphones are randomly selected, 48% use them in meetings or classes. If…
A: Let "X" be adults who use their smartphones in meetings or classes.
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- Fourteen percent of U.S. residents are in their twenties. Consider a group of eight U.S. residents selected at random. Find the probability that the number of people in the group who are in their twenties is - a. Exactly Two b. None С. Four or Five d. One or Two69% of all Americans are home owners. If 32 Americans are randomly selected, find the probability that a. Exactly 23 of them are are home owners. b. At most 22 of them are are home owners. c. At least 20 of them are home owners. d. Between 18 and 22 (including 18 and 22) of them are home owners. Round all answers to 4 decimal places.Suppose that 72% of Veterinary School graduates who take the licensure exam for their state pass the exam. Find the approximate probability that at least 75% of 150 randomly sampled people taking the Veterinarian licensure exam will pass the exam. Round your answer to four decimal places.
- Of all registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. Find the probability that exactly four of them fail the test.Of all registered automobiles in a city, 10% fail the emissions test. Fifteen automobiles are selected at random to undergo an emissions test. Round the answers to at least four decimal places. Find the probability that more than three of them fail the test.30% of all college students major in STEM (Science, Technology, Engineering, and Math). If 36 college students are randomly selected, find the probability that a. Exactly 12 of them major in STEM. b. At most 13 of them major in STEM. c. At least 12 of them major in STEM. d. Between 5 and 9 (including 5 and 9) of them major in STEM. Round all answers to 4 decimal places.
- At a used-book sale, 106 books are adult books and 150 are children's books. Of the adult books, 72 are nonfiction, while 65 of the children's books are nonfiction. If a book is selected at random, find the probability of selecting the books for the following. Round the answers to three decimal places. a. Fiction b. Not a children’s nonfiction book c. An adult book or a children’s nonfiction bookUse the following information to answer the next question. A committee of 3 people is to be randomly selected from a group of 8 people, including Sarah. 12. Determine the probability that Sarah is selected to be on the three-person committee.Answer letter a to c.
- Assume that when adults with smartphones are randomly selected, 52% use them in meetings or classes. If 25 adult smartphone users are randomly selected, find the probability that exactly 19 of them use their smartphones in meetings or classes. The probability is. (Round to four decimal places as needed.)A group of people were asked if life exists elsewhere in the galaxy. 247 responded "Yes", and 432 responded "No". Find the probability that if a person is chosen at random, the person believes life exists elsewhere in the galaxy.Probability = (Round to 4 decimal places)Answer the Following Question The probability that a marble that is NOT green is chosen from a bag with 2 red, 3 blue, 1 white, and 4 green marbles.