A poll is given, showing 45% are in favor of a new building project. If 9 people are chosen at random, what is the probability that exactly 4 of them favor the m building project? 2013 50

Q: You take a 20-question multiple-choice exam. Each question has 4 possible answers (only one of which…

A: A binomial random variable is the number of successful trials out of total n trials. A random…

Q: 58% of people rent their homes. If you take a random sample of 50 people, what is the probability…

A: We have given that Sample size n =50 Population proportion p=58%=0.58

Q: na ceratin village in Kenya, 8% of the inhibitants have malaria. If 5 inhabitants of the village are…

A: Given, p =  8% = 0.08 n = 5 q = 1-0.08 = 0.92 To find : P(at least one of them having maleria) We…

Q: Assume that when adults with smartphones are randomly​ selected, ​59% use them in meetings or…

A: The probability that exactly 3 of them use their smart phones in meetings or classes is obtained…

Q: Consider a political discussion group consisting of 4 Democrats, 7 Republicans, and 3 Independents.…

A: GivenNo.of Democrats=4No.of Republicans=7No.of Independents=3Total no.of members = 14

Q: A couple has 4 children. Write out the sample space of genders fort heir children, inorder of birth.…

A: It was stated that a couple has 4 children. The possible gender for each child is either male or…

Q: A multiple choice quiz has 10 questions. Each question has 5 possible answers of which only one is…

A: Given that A multiple choice quiz has 10 questions. Each question has 5 possible answers of which…

Q: a. 5 or 6 of them pay cash b. at most 1 pays cash

A: Given : Percentage of customers who pay cash for their purchases is 30% , p = 0.3 Sample size, n…

Q: multiple-choice examination has 50 questions, each with five possible answers, only one of which is…

A: Sample  size(n)=50p=probability of correct answer=q=probability of incorrect answers=A random…

Q: About 81% of Hartnell students plan to vote this November.  A random sample of n = 35 students is…

A: Let x be the number of Hartnell students plan to vote this November which follows binomial…

Q: A poll is given, showing 20% are in favor of a new building project. If 6 people are chosen at…

A: According to the given information,Probability of success, Sample size, n = 6Let X be a random…

Q: Colgate claims that 95% of dentists recommend Colgate toothpaste. Suppose you randomly choose 10…

A: Solution:-   Assuming that the claim by Colgate is true, we can model the probability of a dentist…

Q: A board of directors consists of eighteen men and ten women. A four-member search committee is…

A:

Q: A poll is given, showing 50% are in favor of a new building project. If 6 people are chosen at…

A: Binomial distribution : In binomial distribution, the number of trials is fixed and the number of…

Q: The probability 99% of ChatBot message send to customer are correct. If a sample of 100 massages is…

A:

Q: A single card is drawn from a deck. Find the probability of a "Queen" or a "red card" * 53.85% O…

A:

Q: Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: A parking enforcement officer has a quota of 5 citations to issue by the end of the shift. Assume…

A: Number of citation to be issued at end is 5. The probability of given car has a violation is…

Q: Four clerical positions and 5 technical staff positions were available. Four applicants arrived…

A: As per guidelines expert have to answer first question only dear student please upload other…

Q: American Airlines' flights from Denver to Atlanta are on time 90 % of the time. Suppose 12 flights…

A: Given that  n=12 , p=90%=0.90 , q=1-p=1-0.90=0.10 X~Binomial(n=12,p=0.90) X=Number of flights on…

Q: In a survey about a change in public policy, 100 people were asked if they favor the change, oppose…

A: According to question given that 100  people were asked if they favor the change, oppose the…

Q: hwm8 3 A poll is given, showing 60% are in favor of a new building project.If 8 people are chosen at…

A: Step 1: Given informationSample size, n = 8.Probability of success, p = 0.60. Step 2: ProbabilityThe…

Q: Q3. Approximately 20% of cars have been recalled for a manufacturer's defects but have not repaired.…

A: From the provided information,

Q: cqw5 29 A poll is given, showing 30% are in favor of a new building project.If 6 people are chosen…

A: The binomial distribution probability is:P(X=x)=nCx​px(q)n−xwhere ::: x represents the total number…

Q: There are 5 students who are left-handed and 24 students who are right-handed in Miss Hill’s class.…

A: We have given that,  Left handed students = 5 and right handed students  = 24 Then,  We will find…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 40…

A:

Q: United Airlines' flights from Boston to Seattle are on time 80 % of the time. Suppose 6 flights are…

A: Answer - Given P= 0.80,  n = 6            Using Binomial distribution             P(X = x) =…

Q: In a recent survey, 60% of the community favored building a health center in their neighborhood. If…

A: Given that,60% of the community favored building a health center in their neighborhood.Probability,…

Q: Among 150 subjects with positive test​ results, there are 21 false positive​ results; among158…

A: According to the provided data, among 150 subjects with positive test results, there are 21 false…

Q: 60% of customers who enter a department store will make a purchase. Out of 4 randomly selected…

A: Introduction: Denote X as the random variable of interest here, which is the number of people…

Q: I. Exactly five bottles have serious flaws in glass II. Less than two bottles have serious flaws.…

A: here given , there are 100 glass bottles coming off a production line ,  out of 100 there are 20…

Q: A poll is given, showing 60% are in favor of a new building project. If 8 people are chosen at…

A: Given p =0.6 and n=3   P(X>3)=1-P(X<3)               =1-Cxn px(1-p)n-x…

Q: 34% of teenagers in a small town say they like reading news online. Suppose you randomly select 10…

A: Binomial distribution is discrete distribution that deals with the probabilities of success and…

Q: Assume that when adults with smartphones are randomly​ selected, 58​% use them in meetings or…

A: Given, Assume that when adults with smartphones are randomly​ selected, 58​% use them in meetings or…

Q: Suppose you are taking a multiple-choice test with 4 choices for each question. In answering a…

A: Given information Multiple choice question with 4 options Probability that you know the answer…

Q: Suppose that 33% of people in a certain city are on an online dating website. If three people are…

A: Given information 33% of people are on online dating website Probability that people are on online…

Q: 1. Amy has a personal email account and a work email account. 60% of her emails come into her work…

A: It is given that only 1% of the emails in her work account are spam, and 5% of the emails in her…