According to the U.S. Census Bureau, 42.8% of U.S. households connected to the Internet using a cable modem in 2013, while 33.1% used mobile broadband, 21.2% of households used DSL, and only 1.0% of households used a dial-up connection. No Internet connection was present in 25.6% of homes. What is the probability that a randomly selected household had either a cable modem or mobile broadband?     Which answer choice is correct?   a.) 9.7% b.) 14.2% c.) 75.9% d.) Cannot be determined

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: A sports forecaster says that there is a 40% probability of a team winning their next game.…

A: We have to find given odds against win.

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

A:

Q: According to a market research firm, 52% of all residential telephone numbers in Los Angeles are…

A: Normal Approximation to Binomial :  The normal distribution can be used as an approximation to the…

Q: A leading large college recently reported that 40.5% of its student body had concerns about the…

A:

Q: According to a study, 83% of k-12 schools or districts in a country use digital content such as…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: According to the U.S. Census Bureau, 83.8% of U.S. households owned a computer in 2013. What is the…

A: Given that  Number of trials n=3 Success of probability p=0.838 X~binomial (n,p)

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: An economics professional body estimates that 75% of the students taking undergraduate economics…

A:

Q: A federal study showed that 63.8%of occupants involved in a fatal car crash wore seat belts. Ofthose…

A: Define the events: E : Event that the occupant was ejected from the vehicle A: Event that the…

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 an article published at heart.org in 2015 regarding a variety of US health data: Given…

A: Solution: Given information: Let A  be the event that someone in the US has a first time  heart…

Q: Although studies continue to show diabetes leads to significant health problems, 20% of adults in…

A: Introduction: Denote X as the number of sampled adults who have diabetes. Assume that the n = 250…

Q: A week before the bill was passed, a journalist wants to survey 36 congresspersons to determine the…

A: The term probability is defined as the chance of occurrence of an event. The probability value…

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: On average, 5.5 shoplifting incidents occur per week at an electronics store.  What is the…

A: Poisson Distribution :  A Poisson distribution is a discrete probability distribution that applies…

Q: According to the U.S. Census Bureau, 19.1% of U.S. households are in the Northeast. In addition,…

A: Introduction: Denote A as the event that a household in the country earns $75,000 per year or more,…

Q: The Statistical Abstract of the United States reported that 18.2% of students whose post secondary…

A: Let X be the number of students whose post secondary degrees were health professions and related…

Q: Ecording tó thẻ Nèw York Times, eleven percent of parents helped their college ildren write an…

A: Given data,p=11%=0.11n=7P(X≤2)=?

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: According to Internal Revenue service records, 1.71% of all household tax returns are audited.…

A:

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: That should I buy? A study conducted by the Pew Research Center reported that 58% of cell phone…

A:

Q: According to a survey, 36.7% of people who visit Disney World have children under 18 in their…

A: A: People who visit Disney World have children under 18 in their household   B:  Household with…

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 study done by the pew Research Center, 36% of adult Americans believe that marriage…

A: Given Information: 36% of adult Americans believe that marriage is now obsolete i.e., p=0.36 Sample…

Q: According to a certain country’s department of education 44.7% of 3- year-olds a

A: Percentage of 3-year olds enrolled in a day car = 44.7%

Q: etter than those without cats? To help answer this question, a cat enthusiast obtained a random…

A: Do you have a Cat? Yes No How well do you sleep? Good Neutral Bad     Good…

Q: In a recent​ survey, it was found that the median income of families in country A was ​$58,000. What…

A: In a recent​ survey, it was found that the median income of families in country A was ​$58,000.

Q: According to Internal Revenue Service​ records, 1.64​% of all household tax returns are audited.…

A: Given data, 1.64​% of all household tax returns are audited 26​% of all households own a dog…

Q: At Denver international airport, 81% of recent flights have arrived on time. A sample of 12 flights…

A:

Q: According to the Federal Communications Commission, 70% of all U.S. households are using video…

A: Given,n=15p=0.7q=1-0.7=0.3A random variable X~Binomial(n=15 , p=0.7)P(X=x)=Cx(0.7)x(0.3)15-x       ;…

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: According to the CDC national center for health statistics, about 42.4% of adult Americans fit the…

A: given data, p=0.424n=200np=0.424*200=84.8nq=(1-0.424)*200=115.2 here np and nq≥5so we can assume…

Q: A politician running for Senate in California claims that only 34% of Californians approve of the…

A: Obtain the probability that more than 40% of those surveyed approve of the competitor. The…

Q: A Harris Interactive survey for Inter- Continental Hotels & Resorts asked respondents,       “When…

A: a) 23% of the respondents stick with their tour group  So, p = 0.23 size of the sample, n=6…