67% of U.S. adults have very little confidence in newspapers. You randomly select 10 U.S. adults. Find the probability that the number of U.S. adults who have ver little confidence in newspapers is (a) exactly five, (b) at least six, and (c) less than four. (a) P(5) = (Round to three decimal places as needed.) %3D

Q: Thirty percent of a population of consumers is reputed to prefer a particular brand, say Brand A, of…

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

Q: 12% of toys produced by a factory develop cracks within 4 months of purchase. If 50 toys from this…

A: Given data, p=12%=0.12 n=50 P(X≤3)=?

Q: uops Solve the problem. Suppose that 4 out of 12 liver transplants done at a hospital will fail…

A: Given , 4 out of 12 liver transplants done at a hospital will fail within a year . Probability p of…

Q: The sport section at a newspaper company receives on average 4 calls per hour requesting the latest…

A:

Q: A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is…

A: Based on the provided information, the known values are: Number of success=3982 people. Number of…

Q: Computer technology has produced an environment in which robots operate with the use of…

A: Given,p=0.1q=1-0.1=0.9A random variable X~Geometric(p=0.1)P(X=x)=0.10.9x   ;  x=0,1,2,3,.....

Q: A survey finds customers are charged incorrectly for 1 out of every 10 items. Suppose a customer…

A: Binomial distribution is given by

Q: Starbucks has found that 26% of customers purchase more than one cup of coffee per day from their…

A: Let p be the proportion of customers purchase more than one cup = 0.26 total number of days…

Q: The table below shows the number of survey subjects who have received and not received a speeding…

A:

Q: pproximately 7% of the population has the O- blood-type. If you drew a random and independent sample…

A: p = 0.07 n = 2065

Q: In a large population, 57 % of the people have been vaccinated. If 5 people are randomly selected,…

A: We have given that  Sample size n= 5 Success of probability p=57%=0.57 X~binomial ( n ,p)

Q: A recent survey found that 70% of all adults over 50 wear sunglasses for driving. In a random sample…

A:

Q: To avid detection at customs, a traveler places 6 narcotic tablets in bottle containing 9 vitamin…

A:

Q: The opera theater manager assumes that 10% of the opera tickets for tonight's show have been sold.…

A: Let X denotes tickets being sold. Probability of a ticket being sold (p) is given to be 0.1. a…

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A: Consider the given information.

Q: 3. A 100-watt light bulb has an average brightness of 1640 lumens wit the probability that a…

A:

Q: Where does all that Halloween candy go? The October 2004 issue of Readers' Digest quoted that "80%…

A: It is given that 80% of parents admit taking Halloween candy from their children's trick or treat…

Q: In a large population, 68% of the people have been vaccinated. If 5 people are randomly selected,…

A: Givenp=0.68n=5Let x be no.of people vaccinatedx~Binomial(n=5,p=0.68)P(X=x)=(nx)×px×(1-p)n-x   ;…

Q: Based on a smartphone survey, assume that 40% of adults with smartphones use them in theaters. In a…

A: Given proportion of adults using smartphones in theatres = p = 0.40.the total adults with smart…

Q: In testing an HP printer, the Quality Inspector found that 25% of the printers fail to pass the test…

A: Obtain the probability that fewer than 4 fail to pass the test print. The probability that fewer…

Q: probability that exactly two dog bite victims will arrive?

A: Here use poission distribution for  because rate of victims per days bite by dog is constant for…

Q: a proportion of 0.4 are not satisfied with the service offered by the store. In a random sample of…

A: According to central limit theorem if the sample size n and population proportion p satisfies np≥10…

Q: A usb distributor makes large orders, historically it has detected that 10% of the packages arrive…

A: Given that p =0.10 , n =100 a). Between 9% and 12% of the packaging damagedb). Less than 8% of…

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 12 seeds are planted,…

A:

Q: A sample of 500 adults were surveyed on their interest in winter activities. 74 of those studied do…

A:

Q: In a school, 70% of males play soccer, and 12% of females play soccer. The school consists of 55%…

A: Conditional probability:  Let A and B be two events related to a random experiment. Then the…

Q: The Food Marketing Institute shows that 17% of households spend more than $100 per week on…

A: Given N=800 P=0.17

Q: 80% of teenagers have access to some social media. If you do a random survey of 400 teenagers, what…

A:

Q: A company that manufactures video cameras produces a basic model and a deluxe model. Over the past…

A: Given data:   The percentage of the basic model camera sold is: P(B)=40%=0.40 The percentage of the…

Q: The owner of a car wash shop noticed that on normal days there are 4 cars that enter the shop at one…

A:

Q: seventy-five percent of the students graduating from high school in a small will attend college. for…

A: A.   Z-score for proportion:

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A:

Q: The student government claims that 85% of all students favor an increase in student fees to buy…

A: Givenp=0.85n=12Let "x" be the no. students produced in favour of the…

Q: A man claims to have extrasensory perception (ESP). As a test, a fair coin is flipped 3030 times,…

A: Given, n = 30 x = 27 p=xn   = 2730   = 0.9 X ~ B(n, p) P(X=x) = Cxn px(1-p)n-x;     x=0,1,2....n…

Q: Privacy is a concern for many users of the Internet. One survey showed that 59% of Internet users…

A: Let p be the probability of concerned about the confidentiality of their email Based on this…

Q: A recent poll indicated that 42.9% of voters approve of Mr. Biden's job performance. Suppose 100…

A:

Q: Q6. In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Given,n=20p=0.85q=1-0.85=0.15A random variable X~Binomial(n=20 , p=0.85)P(X=x)=20x0.85x0.1520-x  ;…

Q: Q3] on the basis of past experience, the probability that a certain electrical component will be…

A:

Q: According to a study published in a reputable science​ magazine, about 8 women in​ 100,000 have…

A: Given information: P(C)=0.00008 P(test pos|C)=0.89.

Q: During a Kansas tornado season, the probability a local grocery store experiences power outage on…

A: (c) On none of the days: P(None of days)= (1-0.125)5 P(None of days)=(0.875)5 P(None of days)=…

Q: An insurance company insures a house worth P4.500,000 for an annual premium of P25,000. If the…

A: The company's expected profit is obtained as given below: Expected value: Expected…

Q: An aerospace company builds a type of cruise missiles. Suppose, on average, the first failure of…

A: Let there is a sequence of trials, each having two outcomes, say Success and Failure, trials being…

Q: 7 percent of all cooling fans produced in a factory are defective. A quality inspector randomly…

A: Let p be the probability that a fan is defective. Given that p = 7% = 0.07 Let X denote number of…

Q: In a large population, 53% of the people have been vaccinated. If 4 people are randomly selected,…

A: Given data The Probability of people being vaccinated is, p = 0.53 The No of people randomly…

Q: A man claims to have extrasensory perception (ESP). As a test, a fair coin is flipped 2323 times,…

A: Note: It is considered that the coin is flipped 23 times and the person gets 20 out of 23 correct.

Q: A production line estimates that 1.5% of the items it produces is defective. In a package containing…

A: It is given that the A production line estimates that 1.5% of the items it produces is defective…

Q: bote maker believes that 14% of his bottles are defectiv f the bottle maker is accurate, what is the…

A: Actual proportion is 14%. Sample size is 622.

Q: ssume that a student alarm clock has a 6.6 % daily  failure rate. What is the probability that the…

A: It is given that the student’s alarm clock has 6.6% daily failure rate.

Q: seat who was wearing a seatbelt was 33% more likely to be killed in an accident if the car had an…

A:

Q: A politician claims that 65% of voters favor reducing the number of troops stationed in Germany.  A…

A: Solution-: Given: (or 65%) We find,

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.