Suppose that 21% 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 rounded to 4 places.

Q: From experience, an airline knows that only 73% of the passengers booked on a flight from New York…

A: There is only two possibilities either ticket booked(success) or not booked ( failure) If r.v is X ,…

Q: Suppose the probability of an IRS audit is 2.0 percent for u.s taxpayers who file form 1040and who…

A: Given information- The probability of an IRS audit is 2.0 percent for U.S taxpayers. So, Number of…

Q: Suppose 42 % of the students in a university are baseball players. If a sample of 628 students is…

A:

Q: What is the probability of picking one person who is 30 years and above given that he reads non…

A:

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

A:

Q: Sixty percent of the tourists in London go to Buckingham Palace and forty percent visit Kensington…

A: Solution: Let A be the  event that tourists in London go to Buckingham Place. and B be the event…

Q: What is the probability of a die showing a 2 or a 5?

A: If die are rolling then sample space is,  S = { 1, 2, 3, 4, 5, 6 }

Q: What is the probability that he will pass the exam, if the passing rate is 60%.

A: here given ,  exam is multiple choices , each question have 4 choices  p = probability of correct…

Q: ACcording to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Defines that p is true proportion of the number of people, who throw away what they buy at the…

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

A: We have to find given probabaility.

Q: What is the probability that a card drawn randomly from a standard deck of 52 cards is an ace?…

A: Obtain the probability that a card drawn randomly from a standard deck of 52 cards is an ace   The…

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: What is the probability of drawing two blue cards if the first card is not included in the second…

A: Given Probability of getting first blue cards = 58

Q: 5. The Gallup Poll once asked an SRS of 1540 adults, "Do you happen to jog?" Suppose 15% of all…

A: We have to find probably using z table

Q: According to a 2009 Reader's Digest article, people throw away about 14% of what they buy at the…

A: Solution: It is given that people throw away about 14% of what they buy at the grocery store. So,…

Q: A survey at a restaurant in small western town yielded the data below: travelers : married 27,…

A: General formula of probability is ,  Probability = Number of favorable outcomesTotal outcomes

Q: According to a 2009 Reader's Digest article, people throw away about 12% of what they buy at the…

A: Given that, n=155,p=0.12 The Mean and Standard error of the sampling distribution of sampling…

Q: If the probability that the Islanders will beat the Rangers in a game is 1/3, what is the…

A: Solution: Let X be the number of games Islanders will win in a against the Rangers and n be the…

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

A: Given,

Q: If the probability of being hit by lightning is 1 in 1,000,000, what is the probability of not…

A: Given that , P (being hit by lightning) = 1/1000000 =0.000001

Q: According to a 2009 Reader's Digest article, people throw away about 13% of what they buy at the…

A: We have given that  Sample size n= 153 , p=13%=0.13

Q: A medication states that the odds of having an allergic reaction are 2 in 200. What is that…

A: A medication states that the odds of having an allergic reaction are 2 in 200.

Q: If you choose two numbers from 1 to 67, what is the probability that one number is greater than…

A:

Q: Poppy and her teammates are each chewing a piece of tropical flavoured gum before their championship…

A:

Q: Suppose you take a 10 question quiz, with 4 options choices, only one is correct. What is the…

A: Given data:   The total numbers of questions are N=10. The numbers of options for a question are…

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: Suppose 45% of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected,…

A: Solution: From the given information, the probability of the doctor in a hospital is a surgeon is…

Q: Suppose 48 % of the registered voters in a country are Republican. If a sample of 597 voters is…

A: The mean of sampling distribution of proportion is obtained below: From the given information, the…

Q: In a recent survey, it was found that the median income of families in country A was $58,000. What…

A: Let X denote the income of families in country A. Given that median of X is 58000

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given information : Population proportion = p= 10% = 0.10 q = 1 - p    = 1 - 0.10 = 0.90 Sample size…

Q: According to a 2009 Reader's Digest article, people throw away about 11% of what they buy at the…

A: From the provided information, Mean (p) = 0.11 Sample size (n) = 90 The standard deviation can be…

Q: What is the probability that the first die is a 3 given that the sum is 6?

A: The required probability is given by: There is one possible outcome for the first die is 3 and the…

Q: A medication  statest that the  odds of having an allergic  reaction are 1 in 50.  What is that…

A: Given that the odds of having an allergic  reaction are 1 in 50  So the probability is = 1/50 = 0.02…

Q: What is the probability of flipping a quarter four times and it landing on Tails each time? Leave…

A: The outcomes of flipping a quarter are {Head, Tail}.

Q: Suppose 44 % of the students in a university are baseball players. If a sample of 853 students is…

A: Where,

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: A company set up a kiosk in the Mall of America for several hours and asked randomly selected people…

A: There are 10 white color, 20 black color, 25 lime color, 35 orange, and 10 red color phones.

Q: what is the probability that she will select a blue marble first, then a clear marble?

A: AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION  Here use basic probability  Probability =…

Q: According to a 2009 Reader's Digest article, people throw away about 10% of what they buy at the…

A: Given that,  n=93, p= 0.10 The mean and standard error of the sampling distribution of sampling…

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

A: Solution:

Q: Suppose 45 % of the doctors in a hospital are surgeons. If a sample of 844 doctors is selected, what…

A:

Q: Suppose that 54% of people have dogs. If two people are randomly chosen, what is the probability…

A: See the handwritten solution

Q: A survey revealed that 40% of people are entertained by reading books, 34% are entertained by…

A: Let us denote B=entertained by reading booksT=entertained by watching TVGiven that P(B)=40%=0.40,…

Q: According to a study done by the Seattle City Council, 65% of Seattle adults own a car. Assume this…

A: The population proportion is p=0.65 The required probability is…

Q: On a True/False quiz, what is the probability of guessing 5 out of 10 questions correctly?

A: It is given that n = 10.

Q: A survey revealed that 36% of people are entertained by reading books, 30% are entertained by…

A: Let us denote B=reading bookT=wating TVgiven that n(B)=36%=0.36, n(T)=30%=0.30, n(B and T)=11%=0.11

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

A:

Q: Suppose you have the numbers 100–999 written on individual pieces of paper and placed in a hat. If…

A:

Q: If the probability that the Islanders will beat the Rangers in a game is 81%, what is the…

A:

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

A: It is given that n = 10 and p = 0.15.