Three out of four people think the most advertising seeks to persuade people to buy things they dont need or can't afford. Find the probability that's exactly 5 out of 9 randomly  selected people will agree with this statement

Q: An interview with 20 people revealed that 8 of the 10 women and 5 of the 10 men preferred drinking…

A: let us define a random event E. The probability of occurring of the event, i.e P(E)=Favorable number…

Q: It was estimated that 30% of all seniors on a campus were seriously concerned about employment…

A: Let us denote: E=seriously concerned about employment prospects G= seriously concerned about grades,…

Q: Airlines report that 45% of its flights are on time.  In a random sample of 80 flights, what is the…

A: Given, Let A be the event of success that Airlines report of its flights are on time Random sample…

Q: A poll finds that 72% of Jacksonville consider themselves football fans. If you randomly pick two…

A: According to the provided information, 72% Jacksonville consider themselves football fans. So, the…

Q: An unfair coin with​ Pr[H] =0.250 is flipped. If the flip results in a​ head, a student is selected…

A: We are given,Probability of Head = 0.250If flip results in a head , then student is selected at…

Q: D.) A loaded coin was made so that the probability of the head turning out was twice more likely…

A:

Q: Suppose the probability of your favorite sports team winning their next game is 60%, winning the…

A: We have to use independent theory of probability.

Q: A pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To…

A: (a) Let X be a random variable such that X: Number of patients who experience side effects…

Q: In a Gallop Poll, 35% of 30 - 49 states that they believe in ghosts. Find the probability that out…

A: (a) The probability that college students do not believe in ghosts is, P(do not believe in ghosts)…

Q: A cell phone company found that 75% of all customers want text messaging on their phones, 80% want…

A: Given: Let's say that the total population is 100. Number of people want messaging is 75 Number of…

Q: It is estimated that, during the past year, 26% of all adults visited a therapist and 45% of all…

A:

Q: A group of people were asked if they owned a dog. 121 responded "yes", and 400 responded "no". Find…

A: According to the provided information, A group of people was asked if they owned a dog. 121…

Q: In a certain state, it has been shown that only 62% of the high school graduates who are capable of…

A: Let us denote X=the number of high school graduates who are capable of college work actually enroll…

Q: About 8% of males are colorblind. A researcher needs three colorblind men for an experiment and…

A:

Q: 4) According to a recent study, 1 in every 8 women has been a victim of domestic abuse at some point…

A: Given, no of women= 25 1 in every 8 women is abused, therefore p=1/8 = 0.125 Let X be the random…

Q: Three out of four people think most advertising seeks to persuade people to buy things that they…

A: 3 out of 4 people think most advertising seeks to persuade people to buy things that theydon’t need…

Q: A recent survey shows that 60% of families regularly schedule family vacations for the month of…

A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…

Q: Wells were dug in a plain, and it was found that 15% of the water from the dug wells was not…

A: Solution: Given: Number of new wells: n = 10 It was found that 15% of the water from the dug wells…

Q: The air conditioner of 2 out of 10 cars in a car dealership is faulty. For a company that buys 4 of…

A: Giventhe air conditionerof 2 out of 10 carsis…

Q: A recent survey found that 62% of the households surveyed had internet access,68% had cable TV, and…

A: Given, A recent surveyA=households survyed has internet accessB= has cable TVPA=62%  =0.62…

Q: A group of people were asked if they had run a red light in the last year. 496 responded "yes", and…

A:

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 has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given that 2 out of every 10 people who visit a local store purchase milk.  So the probability that…

Q: It has been found that 2 out of every 10 people who visit a local store purchase milk. If we…

A: Given: n=13 p=210=0.2

Q: In a certain examination, 80% of the candidates pass English and 75% pass French, whereas 15% fail…

A:

Q: In a certain examination, 80% of the candidates pass English and 75% pass French, whereas 15% fail…

A:

Q: A group of people were asked if they had run a red light in the last year. 326 responded "yes", and…

A: Given, a group of people were asked if they had run a red light in the last year, 326 responded…

Q: A group of people were asked if they had run a red light in the last year. 476 responded "yes", and…

A: Given that, A group of people were asked if they had run a red light in the last year. Number of…

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

A:

Q: A group of people were asked if they owned a dog. 194 responded "yes", and 297 responded "no". Find…

A: Total number of people: 194 + 297 = 491

Q: Suppose there is a 17.6% probability that a randomly selected person aged 35 years or older is a…

A: Unusual event: An event is said to be unusual if they have smaller probability of occurrence.…

Q: On a particular quiz, 85% of my students got the first question right, of the students who did get…

A: According to the provided data,P(first right)=0.85P(second right when first is right) = 0.95P(second…

Q: A survey of local car dealers revealed that 64% of all cars sold last month had CD players, 28% had…

A: Solution: Define events C= Car having CD players. A =car having alarm system. P(C) = 0.64 , P(A) =…

Q: The chance that a U.S. police chief believes raising the cost of parking tickets "significantly…

A: We have given that  n=9 , p=1/4=0.25  , q=1-0.25=0.75 X~Binomial(n=9,p=0.25) Find P(X=5)

Q: A sampling of children was asked if they would they prefer a lion or elephant  as their favorite…

A: Given data,   Lion Elephant Total Boys 90 110 200 Girls 75 85 160…

Q: A manufacturer of aluminum sheets, finds that on the average, 12.5% of his sheets are rejected…

A: Binomial Distribution: If we have n trials each having two outcomes, say Success and Failure, trials…

Q: Given that 58% of all gold dealers believe next year will be a good one to speculate in S out Africa…

A:

Q: A group of people were asked if they had run a red light in the last year. 470 responded "yes", and…

A: Given that,  Response, Yes = 470 Response, No= 283 Total responses = Yes+No = 470+283 n= 753

Q: In responding to a survey question on a sensitive topic (Have you ever tried marijuana? Have you…

A: Suppose 80% of population have not yet tried marijuana and all of those individuals will truthfully…

Q: 11. Survey on Concern for Criminals - In a survey, 3 of 4 students said the courts show "too much…

A: Given: Sample size, n=7 Probability of students said that, courts show "too much concern" for…

Q: Given that there is a 0.81 probability that a randomly selected adult knows what Twitter Find the…

A: It is given that the sample size n is 4, probability of randomly selected adult knows that Twitter…

Q: A group of people were asked if they had run a red light in the last year. 478 responded "yes", and…

A: Number of Run red responded yes =478  Number of Run red responded no = 254  Total=478+254=732…

Q: Subjects for the next presidential election poll are contacted using telephone numbers in which the…

A:

Q: A survey shows that about 65% of all respondents chose to have dogs over cats. Suppose that 15…

A: Here, n = 15 and p = 0.65

Q: On one large campus, 18% of students surveyed said that they spend less than an hour a night…

A: Let X denotes the number of students spend less than hour a night studying. Here, n= 3 and p = 18%…

Q: A group of people were asked if they had run a red light in the last year. 189 responded "yes", and…

A: Given,no.of people run a red light=189no.of people responded "no"=253Total no.of peoples=442

Q: In a company that makes sports bikes, 90% of the bikes pass final inspection and 10% fail and need…

A:

Q: A group of people were asked if they had run a red light in the last year. 312 responded "yes", and…

A:

Q: Of the last 6 trains to arrive at Westminster Station, 3 were on time. What is the experimental…

A: There are totally 6 trains to arrive at Westminster Station in which 3 were on time.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.