Suppose that 46% of people own dogs. If you pick two people at random, what is the probability that they both own a dog? Give your answer as a decimal (to at least 3 places) or fraction Preview

Q: Suppose that you sampled 2 CEOs with replacement instead. How many different samples are possible,…

A: Sampling is a process which is used in statistical analysis. In sampling a predetermined number of…

Q: in Georgia, 88% of all household have television. 51% of all households have a television and an…

A: Using Bayse's theorem; P(B/A) = P(A and B)/ P(A)   p(A)=Probability of having a television p(B)=…

Q: It is estimated that 35% of households own a riding lawnmower. A sample of 15 households is studied.…

A:

Q: About 10% of the population of a large country is hopelessly romantic. If two people are randomly…

A: Independence of Events: Two events A and B with P(A), P(B) > 0, are said to be independent if,…

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

A: From the provided information, 34.3% of the American population has A+ blood that is p = 0.343…

Q: Suppose that the probability that a child living in an urban area in the US is obese is 20%. A…

A: The pmf of the binomial random variable with parameters n = 10 and p = 0.20 is given as follows:

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

Q: A nurse has found that persons calling a medical advice line who think they have the flu, only…

A: Solution: Let X be the number of callers actually have the flu and n be the sample number of…

Q: Fifty-three percent of all people in the US have at least some college education. If 20 people are…

A:

Q: What is the probability of selecting an even numbered ball or a 4​?

A: Solution: Given: Total number from 1 to 21 = 21 Even numbers are: 2,4,6,8,10,12,14,16,18,20…

Q: 16 of the 200 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the…

A: Given that, 16 of the 200 digital video recorders​  (DVRs) in an inventory are known to be…

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

A: We have to find given probabaility.

Q: Suppose we randomly draw one card from a standard 52-card deck. What is the probability that we draw…

A: We have given that  There are 52 card in the deck in which they divided into two color i.e red(26)…

Q: In one town, 44% of all voters are Democrats. If two voters are randomly selected for a survey, find…

A: Given that, 44% of all voters are Democrats.  Sample size, n = 2

Q: According to the Federal Communications Commission 70% of all us households have vcrs in a random…

A: According to the provided information, p=0.70 n=15 The pmf of binomial distribution is: P(X=x) =…

Q: What is the probability of randomly drawing 7 cards at once from a standard deck of cards and…

A: From the provided information, Total cards in standard deck = 52 Sample size (n) = 7

Q: Given a standard deck of playing cards, what is the probability that you randomly choose a King and…

A: Probability: If a random experiment results in n mutually exclusive and equally likely outcomes; out…

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

Q: Nineteen of the 100 digital video recorders (DVRS) in an inventory are known to be defective. What…

A: Given that  Number of Defective digital video recorders = 19 Total video recorders (n) = 100   We…

Q: What is the probability that a 9-digit phone number contains at least one 3? (Repetition of numbers…

A: We know : All possible numbers = 10^9 Probability = favorable outcomes /total outcomes

Q: Suppose that General Mills has a promotion in which one randomly selected miniature action figure is…

A: There are 5 distinct action figures. The probability distribution of the 5 boxes to receive a…

Q: What is the probability that he will roll a number greater than 2

A: Given:  A six pair to dice rolled from  S={1,2,3,4,5,6}  then to find probability that number…

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

A: The provided information are: Population proportion (p) = 35% = 0.35 Number of Americans that are…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: It is determined that 62% percent of Grade 12s attend school in a particular urban school district.…

A: Given : n = 500 p = 0.62 q = 1 - p  q = 1-0.62 q = 0.38 Here n×p and n×q is greater than 5. hence we…

Q: It is estimated that 55% of households own a riding lawnmower.  A sample of 20 households is…

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Q: In a large population, 59 % of the people have been vaccinated. If 5 people are randomly selected,…

A: Given Data Probability of success,p = 0.59 Probability of failure,q=(1- 0.59 )= 0.41…

Q: A street magician showed a trick where he picked one card from a standard deck. Determine what the…

A: Introduction: The probability of an event in an experiment is the number outcomes in the experiment…

Q: 1) Estimate the probability that a randomly selected household from this area will be a student.…

A: According to the classical definition of probability, the probability of an event is defined as the…

Q: According to American Airlines, its flight 215 from Orlando to Los Angeles is on time 90% of the…

A: It is given that the 90% of the flights from Orlando to Los Angeles are arrived on time. The 15…

Q: If you know that 30 percent of all high school graduates go to college. From 20 graduates selected…

A: We have to find given probability.

Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

A: Let X be the random variable from binomial distribution with probability (p)= 11% = 0.11 and sample…

Q: What is the probability that a randomly chosen senior will have a GPA greater than 4.1? The…

A:

Q: The Gallup organization found that 26% of Americans own a cat as a pet. Find the probability 5…

A: Given that, The probability of Americans own a cat as a pet is, p=0.26 The sample size is, n = 5

Q: The Gallup organization found that 27% of Americans own a cat as a pet. Find the probability 5…

A: Given problem Given that   The Gallup organization found that 27% of Americans own a cat as a pet.…

Q: A poll is given, showing 55% are in favor of a new building project. If 9 people are chosen at…

A: If 9 people are chosen at random, Probability of exactly 1 of them favors the project: 0.00832…

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: The probability that a house in an urban area will develop a leak is 55​%. If 22 houses are…

A: Let "X" be the houses that will develop a​ leak.

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

A: Given,n=10p=0.15q=1-p=1-0.15=0.85A random variable X~Binomial(n=10 , p=0.15)P(X=x)=10x 0.15x0.8510-x…

Q: Approximately 90% of all people are right handed. Consider a grouping of 20 people. What is the…

A: Let us assume X= event that a person is right-handed.  Given that the probability of getting X is…

Q: A basketball player has a 0.52 probability of making a three-point shot. What is the probability…

A: Geometric distribution : A geometric random variable defined as number of trials until the first…

Q: Researchers at George Washington University and the National Institutes of Health claim that…

A: Obtain the probability that at most 73 are of this opinion. The probability that at most 73 are of…

Q: It is estimated that 45% of households own a riding lawnmower.  A sample of 15 households is…

A: we want to find the probability that exactly 7 of these on a riding lawnmower

Q: About 13% of the population is left-handed. If two people are randomly selected, What is the…

A: Solution:

Q: the probability of rolling a "4" exactly 25 times?

A: rolling a fair die 100 times,  And here  Each roll independent from each other  Finite number of…

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: Suppose that 29% of people have dogs. If two people are randomly chosen, what is the probability…

A:

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

Q: a large population, 60 % of the people have been vaccinated. If 4 people are randomly selected, what…

A: Given data, n=4 p=60% =0.60 P(X>=1)=?

Q: Keith wrote a short fiction story about a tiny world where 47% of inhabitants have a gene that…

A: