A nationwide survey of seniors by the University of Michigan reveals that almost 30.0% disapprove of daily pot smoking. If 7 seniors are selected at random, what is the probability that at least 2 disapprove of daily pot smoking. O 0.6706 O 0.3177 O 0.0900 O 0.3294
Q: Adult Americans were asked if they felt that food packaging labels were truthful. Sixty-seven…
A: GIVEN DATA P( felt that food packaging labels were truthful) = p = 0.67 sample size (n) = 90 x = no.…
Q: According to a study by Oxford University, 75% of all Brits can do routine computations. If an…
A: p = 0.75 n = 11
Q: Forty percent of Clinton County residents are uncomfortable using the Internet. Suppose 7 such…
A: Given that n =7 , p= 0.40 Find P ( X =5 ) = ?
Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30%…
A: Given that, The random variable X is the color preferences of new car buyers. 30% population prefers…
Q: In 2014, approximately 13% of nonelderly Americans adults had no health insurance. Suppose that a…
A: Given: Proportion of American adults having no health insurance, p=0.13 Sample size, n=400
Q: Historically 20 % of workers participate in a retirement plan. A group of 5 workers is randomly…
A: Given data, 20 % of workers participate in a retirement plan. p=20% =0.20 A group of 5 workers is…
Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…
A: Let "X" be the voters who are independent. I will use excel formula "=BINOM.DIST(x, n, p, FALSE)"…
Q: A credit card company has a 0.01 default rate on its accounts. If 20 randomly selected accounts are…
A: Given information:A credit card company has a 0.01 default rate on its accounts. 20 randomly…
Q: According to statista.com, 66.7% of U.S. households have Cable TV / Satellite TV. If six…
A: From the given information, the percentage of U.S households have Cable TV / Satellite TV 66.7% and…
Q: According to a certain country's department of education, 41.1% of 3-year-olds are enrolled in…
A: Given that Percentage of 3-year-old enrolled in day care is = 41.1%
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: A recent survey found that 63% of college students attend more than one institution during their…
A: Since you have posted a question with multiple sub-parts, we will solve first 3 sub-parts for you.…
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: It is estimated that 70% of households own a riding lawnmower. A sample of 22 households is studied.…
A:
Q: According to a national study, 32% of taxpayers used computer software to do their taxes for a…
A: From the given information, 32% of taxpayers used computer software to do their taxes for a certain…
Q: In a recent study, 65% of people surveyed indicate chocolate was their favorite flavor of ice cream.…
A: Given,n=11p=0.65Let X =no.of people name their favorite flavor of ice cream.X~Binomial(n=11 ,…
Q: 16 of the 200 digital video recorders (DVRs) in an inventory are known to be defective. What is the…
A: Given that, 16 of the 200 digital video recorders (DVRs) in an inventory are known to be…
Q: If 10% of men are bald, what is the probability that fewer than 100 in a random sample of 900 are…
A: Solution:Binomial distribution approximated to normal distribution or not is checked below:It is…
Q: According to one study conducted at the University of Texas, 70% of all Americans can do routine…
A: p = 0.7 n = 8
Q: When someone buys a ticket for an airline flight, there is a 0.0989 probability that the person…
A: Given, The probability that the person will not show up for the flight is 0.0989 A certain jet can…
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 Marriott Hotel has 250 rooms. Considering this population, 15% are considered premium rooms. On…
A: 1] population proportion p=15%=0.15 2] n=250 3] q=1-p=0.85
Q: According to a certain country's department of education, 39.9% of 3-year-olds are enrolled in…
A: Given that According to a certain country's department of education, 39.9% of 3-year-olds are…
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: About 10% of the population of a large country is nervous around strangers. If two people are…
A: The probability that a randomly selected people is nervous around strangers is 0.10. The probability…
Q: It is determined that 62% percent of Grade 12s attend school in a particular urban school district.…
A: Given : n = 500 p = 0.62 q = 1 - p q = 1-0.62 q = 0.38 Here n×p and n×q is greater than 5. hence we…
Q: According to a government statistical organization, the unemployment rate for workers aged 22 to 25…
A: Given data: p = 5.7% Sample size (n) = 90 To find: a. What is the probability that 6 or fewer will…
Q: It is known that 33% of the calculators shipped from a particular factory are defective. What is the…
A:
Q: Out of a survey of 400 customers, under the assumption that 0.5 is the correct proportion, what is…
A: From the provided information, Sample size (n) = 400 Proportion (p) = 0.5
Q: It is estimated that 68% of households own a riding lawnmower. A sample of 25 households is studied.…
A: We have to find probability
Q: If there is an average of 1.1 composting bins per residential city block in Saskatoon, what is the…
A: It is given that, there is an average of 1.1 compositing bins per residential city block.Suppose a…
Q: The top distance runners for Parker University run the mile between 3.26 minutes and 4.54 minutes.…
A: Given Information : The top distance runners for Parker University run the mile between 3.26 minutes…
Q: According to a certain country's department of education,39.2% of 3-year-olds are enrolled in…
A: Answer:- Given , 39.2% of 3-year-olds are enrolled in day care. Using formula, P(E) = n(E)/n(S)…
Q: company employs 800 men under the age of 55. Suppose that 30% carry a marker on the male chromosome…
A: Given : N= 800 30% = k= 240 n=10 We have to calculate probability for given conditions. X=…
Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…
A: Obtain the probability that his/her household has four or more cell phones in use. The probability…
Q: Assume that 15% of the drivers in a certain city do not have a valid driving license. A policeman…
A: The probability that a driver have a valid driving license (p) = 0.85(1-0.15) Consider a random…
Step by step
Solved in 2 steps with 2 images
- Based on a Bellows survey of adults, there is a 0.48 probability that a randomly selected adult uses a tax preparer to file taxes. Find the probability that among 20 randomly selected adults, exactly 12 use tax preparers to file their taxes.According to a certain country's department of education, 44.2% of 3-year-olds are enrolled in day care. What is the probability that a randomly selected 3-year-old is enrolled in day care? The probability that a randomly selected 3-year-old is enrolled in day care is (Type an integer or a decimal.)According to a government statistical organization, the unemployment rate for workers aged 19 to 25 in April 2018 was 7.7%. Consider a random sample of 90 workers from this age group. a. What is the probability that 6 or fewer will be unemployed? b. What is the probability that 3 or fewer will be unemployed? c. What is the probability that between 3 and 9 of them will be unemployed? a. The probability that 6 or fewer workers will be unemployed is (Type an integer or decimal rounded to four decimal places as needed.) atcrunch Get more help - ... Similar question Next
- 80% of U.S. drivers over the age of 30 have had a speeding ticket and 55% of those have also been in an accident while behind the wheel. What is the probability that a randomly selected US driver over the age of 30 has had a speeding ticket and also been in an accident while behind the wheel?According to a recent article on the website www.fivethirtyeight.com, 30% of Americanssay they’re trying to reduce or eliminate gluten in their diets. Suppose you have 50volunteers and are interested in the number of them that are trying to reduce oreliminate gluten in their diets.a.) Find the probability that exactly 20 of the volunteers are trying to reduce oreliminate gluten in their diets. Use the formula.b.) Find the probability that 15 or fewer of the volunteers are trying to reduce oreliminate gluten in their diets. Use the calculator.c.) Find the probability that at least 27 of the volunteers are trying to reduce oreliminate gluten in their diets. Use the calculator.Eight of the 50 digital video recorders (DVRs) in an inventory are known to be defective. What is the probability that a randomly selected item is defective?
- About 8% of males are colorblind. A researcher needs colorblind subjects for an experiment and begins checking potential subjects. a. On average, how many men should the researcher expect to check before finding one who is colorblind? b. What's the probability that she won't find anyone who is colorblind among the first 4 men she asks? c. What's the probability that the first colorblind man found will be the 6" man checked? d. What's the probability that she finds someone who is colorblind before checking the 7th man?11.2% of the population is 65 or older. Find the probability that the following number of persons selected at random from 25 people are 65 or older. The probability that at least 3 are 65 or older is?What is the probability of selecting a veteran that lives in your city given they live in your states? State population: 28,995,881 City population: 978,908 Veteran population: 36,094 Country population: 328,239,523
- Approximately 20% of U.S. workers are afraid that they will never be able to retire. Suppose 10 workers are randomly selected. a. What is the probability that none of the workers is afraid that they will never be able to retire?According to a 2020 article, 69% of men do not wash their hands after using a public restroom. Suppose a random sample of 40 men are selected. What is the probability that at least 30 of them will not wash their hands after using a public restroom? O 0.161 O 0.738 0.839 O 0.262According to a study by the National Institute of Health (HERE) 90% of the world's population is right handed. If ten people are selected at random: What is the probability at least one if left-handed? [Round to four decimalplaces]