A group of people were asked if they owned a dog. 121 responded "yes", and 400 responded "no". Find the probability that if a person is chosen at random, they own a dog.

Q: An unprepared student takes a 15 question true-false quiz and guesses at the answer to every…

A: Given Data Probability of success,p = 0.5 Probability of failure,q=(1- 0.5 )= 0.5…

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: Of the drivers who stop at a gas station, 91% purchase gasoline, and 5% purchase both gasoline and…

A: Given : Of the drivers stopping at a gas station, 91% purchase gasoline, 5% purchase both gasoline…

Q: In a group of 25 boys, 20 play ice hockey and 17 play baseball. They all play at least one of the…

A:

Q: ta) lf a marble is drawn from each urn, what is the probability that they are both of the same…

A:

Q: If a teacher calls on a student randomly to answer a question, what is the probability the student…

A: Given : In a certain class of students, there are 9 boys from Morrow, 6 girls from Stockbridge, 10…

Q: 5) People were asked if they prefer Pepsi or Coke. The results are in the table below. Female Male…

A: ( a ) P( both prefer Pepsi) = ? ( b ) P( Female or Coke ) = ?

Q: Given that you picked a white raspberry, what is the probability that the chocolate is from box 1?

A: Given:

Q: A particular traffic light at the outskirts of a town is red for 30 seconds, green for 25 seconds…

A: From the given information, Consider, A be the event that the traffic light is red for 30 seconds. B…

Q: Find the probability that the student was male AND got a "A".

A:

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

A:

Q: In Riyadh region, past records revealed that 70% of all the high school graduates go to…

A: Let p be the probability that high school graduate goes to universities. Given that p = 0.70 Let X…

Q: A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

A: Given : A student takes a ten-question true-false quiz  Probability of success,p = 0.5…

Q: If the probability of having type AB Blood is 0.520, what is the probability that in a group of four…

A: Given: P( having AB blood) = 0.520 n = 4

Q: Given that a random student plays music, what is the probability that the student does not play…

A: It is given that the number of students play music is 18+5 = 23.

Q: In one​ lottery, a player wins the jackpot by matching all five numbers drawn from white balls​ (1…

A: The player can pick 5 numbers from 42 numbers in 42C5 ways. (white balls) And 1 number from 32…

Q: a. What is the probability of a student getting "C" if the student is a male?

A: Here AS PER NOTE GIVEN I HAVE CALCULATED A PART

Q: A teacher of a class of 25 students is trying to decide whether her class will play soccer, or…

A:

Q: Given the probability that a randomly selected student in a class is female is 56%, determine the…

A: We have find givan probability...

Q: In a recent study, 35% of people surveyed indicate chocolate was their favorite flavor of ice cream.…

A: It is given that 35% of the people surveyed indicate chocolate was their favourite flavour of ice…

Q: Given that the probability of a family owning a dog is 0.91, and the probability of a family owning…

A: Given Probability of owning dog=0.91 probability of owning dog and cat =0.15

Q: According to insurance records, a car with a certain protection system will be recovered 95% of the…

A:

Q: A group of students is surveyed and 55% of the group is from Midland and 40% of the group like…

A: According to the provided data, the probabilities are;

Q: In a city of 120,000 people there are 20,000 Norwegians. What is the probability that a randomly…

A: Total number of people, N=120,000 Number of Norwegians, n=20,000 The objective is to find the…

Q: According to the survey, the two most popular social networking sites in the United States are…

A: Let A and B be two events with P(A) > 0. Then the conditional probability of B given A, denoted…

Q: A group of people were asked if they owned a dog. 131 responded "yes", and 385 responded "no". Find…

A: Total response  = 131+385 = 516 To owe dog,  total yes = 131

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: Police records show that for a certain area in Arendale, when the driver of a car double parks, 60%…

A: Let X be the number of not allowed towed away  Let p be the probability of towed away=0.6  q be the…

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

A: In a standard deck of card, there are total 52 cards.  Among those 52 cards, 4 cards are kings.

Q: 2. Find the probability that it is actually one.

A:

Q: If two cards are drawn Without replacement from a deck, find the probability that the second card is…

A:

Q: In a school of 100 students, 70 students play either football or cricket with 40 students that play…

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: Of the drivers who stop at a gas station, 92% purchase gasoline, and 5% purchase both gasoline and…

A:

Q: Given a family with four children, find the probability of the event. The youngest three are boys,…

A: To find the probability of the youngest three are boys, given that the youngest is a boy

Q: About 35% of the population have a college degree. If three people are randomly selected, what is…

A: Given,  p = 35% = 0.35 q = 1 - p = 1 - 0.35 = 0.65 Sample size, n = 3 Let X be a random number which…

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: In a group of dogs, 20 dogs are poodles and 30 dogs are beagles. If a dog is selected at random,…

A: We want to find the probability a beagle is selected

Q: A coin is tossed six times. What is the probability that the outcome is six heads, given that…

A: When a coin is tossed probability of getting heads is 1/2 =0.5 Here coin is tossed 6 times .n=6…

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 a large population, 53% of the people have been vaccinated. If 3 people are randomly selected,…

A: In a large population, 53% of the people have been vaccinated. i.e. Probability that the people have…

Q: Suppose you select a letter at random from the word MISSISSIPPI. What is the probability of NOT…

A:

Q: In a certain community, 40% of the family have a pool in the backyard, 65% have kid(s) and 30% have…

A:

Q: With two dice, the probability of rolling a 4 is higher than the probability of rolling an 10 with…

A: Let 'S' be the sample space of rolling two dice together. S={1,1, 1,2, 1,3, 1,4, 1,5, 1,6       2,1,…

Q: A coin is tossed six times. What is the probability of obtaining four or more heads ?

A:

Q: A coin is tossed eight times. What is the probability that the outcome will be eight heads, given…

A:

Q: Given a family with three children, find the probability of the event. All are girls.The probability…

A: Given A family with three children

Q: rom a class of 30 students in which 18 are girls. Find the probability of choosing boy

A: To find the probability of choosing a boy.

Q: A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer.…

A: This will be a binomial distribution with n = 10, p = P(Correct guess) = 1/2 = 0.5 We need to find…

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.