According to financial records, 24% of U.S. adults have more debt on their credit cards than they have money in their savings accounts. Suppose that we take a random sample of 100 U.S. adults. Let D = the number of adults in the sample with more debt than savings. What is the probability that 30 or more adults in the sample have more debt than savings? 0.1009 0.034 0.9331 0.0669 0.8991

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

A:

Q: It is known that a certain basketball player will successfully make a free throw 90.71% of the time.…

A: From the given information,P = 90.71%= 0.9071So, q = 1- P = 1-0.9071 = 0.0929n = 11we have to find…

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: given data  P(have resistance to vancomycin) = 0.03resistance to vancomycin means not succesfully…

Q: Marketers find that 87% of US teenagers use the Internet. Consider a random sample over 282 US…

A:

Q: According to government data, the probability that an adult was never in a museum is 15%. In a…

A: Given,n=10p=0.15q=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=Cx100.15x0.8510-x    ;…

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: From the provided information, 56% of politicians are lawyers that is p = 0.56 Sample size (n) = 546

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: We have to find given probability

Q: If the probability of choosing a red chip from a bucket is 0.4, What is the probability of not…

A: We have the probability of choosing a red chip from a bucket is 0.4

Q: According to Gallup poll, 36% of all college students use an Apple i phone only.  If a sample of 200…

A: 1. Consider that p is population proportion of all college students who use an Apple i phone.

Q: The CEO of TikTok thinks that 75% of users are under the age of 30. A simple random sample of 100…

A:

Q: It is known that 17% of people ride public transport without paying for it. We talk to 85 people who…

A: Consider that p is population proportion people, who ride public transport without paying for it.

Q: After rolling a fair twenty-sided die 200 times, the observed (or experimental) probability of…

A: A 20-sided fair die is rolled.

Q: According to some estimates, approximately 34.3% of the American population has A+ blood.  Suppose…

A: We have to find given probabaility.

Q: According to a survey, 10% of Americans are afraid to fly. Suppose 1,100 Americans are sampled. a.…

A: Given information: Population proportion (p) = 0.1  Sample size (n) = 1100

Q: n a survey of 1,772 U.S. adults, 294 said that they were very confident in the nutritional…

A: We know that  Sample size n= 1772  , total number of confident = 294 ,  X= 4

Q: Suppose 56% of politicians are lawyers. If a random sample of size 564 is selected, what is the…

A: Given: 56% of politicians are lawyers that is proportion (p) = 0.56 Sample size (n) = 564

Q: The USDA reports that 31% of four-member households spend less than $100 per week on groceries.…

A: Given p=31%=0.31 n=600 Here, the sample size is large. Hence, we can use normal approximation.…

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: Imagine a woman has a positive mammogram. What is the probability that she has breast cancer?

A: Here use Bayes rule and tree diagram  Define events as follows  C = women have breast cancer  T =…

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: Given,

Q: It is known that 17% of people ride public transport without paying for it. We talk to 79 people who…

A: Given,sample size(n)=79sample proportion(p^)=0.17

Q: A study indicates that 80% of households have have a dog. You randomly sample 7 households. Find the…

A:

Q: A quality control inspector had drawn a sample of 12 lights bulbs from a recent production lot. If…

A: Solution-: Given: n=12,p=0.2 (Or 20%) We wan to find P(the lot will fail inspection)=?

Q: Suppose that John Q. Basketballplayer has made 8.9% of his previous free throw attempts.  What is…

A: Let X be the random variable from binomial distribution with probability (p) = 8.9% = 0.089 and…

Q: Consider the data in the table shown which represents the marital status of males and females 18…

A: The question is about probability.Given :

Q: Given that 7.0% of the population of Canada have blood type O-negative, calculate the probability…

A: Given that 7.0% of the population of Canada have blood type O-negative so the probability of getting…

Q: Enterococci are bacteria that cause blood infections in hospitalized patients. One antibiotic used…

A: Given  n=sample size=18, q be the probability of successful treatment q=3%

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given information : Population proportion = p= 10% = 0.10 q = 1 - p    = 1 - 0.10 = 0.90 Sample size…

Q: One half of the people in the United States own individual stocks. In a random sample of 12 people,…

A: