A study conducted by Pew Research Center reported that 58% of cell phones owners used their phones inside a store for guidance on purchasing decisions. A sample of 20 cell phone owners is studied. What is the probability that more than 72% use their phones inside a store for guidance on purchasing decisions?

Q: According to the 2009 current Population Survey conducted by the U.S. Census Bureau, 40% of the U.S.…

A: In question, Given that according to the 2009 current Population Survey conducted by the U.S. Census…

Q: It is estimated that 1 in 59 students in Canada have been diagnosed with Austism Spectrum Disorder.…

A: Given data: The expression for the probability that 1 in 59 students in Canada has been diagnosed…

Q: An experimental drug has been shown to be 80% effective in eliminating symptoms of allergies in…

A: If a participant is selected randomly, then there can be two possibilities either the drug is…

Q: A School of Public Health completed a study on alcohol consumption on college campuses. They…

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Q: An experimental drug has been shown to be 85% effective in eliminating symptoms of allergies in…

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

Q: A skating rink attendant monitored the number of injuries at the rink over the past year. He tracked…

A: Given data is   Minors Adults Seniors Total In-line skates 3 3 3 9 Roller skates 4 4 5 13…

Q: GreenFacts, a non-profit organization,reports that the average adult in Europe consumed 17 litres of…

A:

Q: The Australian sheep dog is a breed renowned for its intelligence and work ethic. It is estimated…

A: Given that, 40% of adult Australian sheep dogs weigh 65 pounds or more. Sample size = 18

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

Q: Based on a​ poll, 62​%of Internet users are more careful about personal information when using a…

A: Since 62% of the internet user is more careful about personal information when using a public ​Wi-Fi…

Q: A pew research center survey asked adults in the United States which technology would be very hard…

A: Given information P(Internet) = 0.7 P(Smartphone) = 0.6 P(email) = 0.3 P(Landline) = 0.25 No of…

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

A: Given Information: Sixty percent of the tourists in London go to Buckingham Palace i.e., P(BP) = 60%…

Q: A national study of patients who were overweight found that 56% also have elevated blood pressure.…

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Q: What is the probability that an adult has a high BMI? What is the probability that an adult lives in…

A: ----------------------------------------------------------------------------------------------------…

Q: What is the probability of selling 15 cheesecakes in a given day? What is the probability of selling…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

A: here given , A poll showed that 50% of Americans say they believe that life exists elsewhere in the…

Q: A news article reported that there is a 60% success rate for those trying to stop smoking through…

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Q: A market research organization surveyed 102 people and found that 73 of them would like more…

A:

Q: What is the probability that a randomly selected friend tasted peaches and preferred non- organic?

A: The data is given by   Organic Non-organic Total Apples 4 3 7 Peaches 4 1 5 Toral 8 4 12

Q: A four colour equal segment spinner was spun 14 times. What is the probability of spinning Yellow…

A: We have given that A four colour equal segment spinner was spun 14 times. Probability of each colour…

Q: The centers for disease control reported that 16% of college aged individuals used vapes in…

A: Given information Probability of using vapes = 0.16 No of individuals n = 750 Probability that less…

Q: Just before a referendum on a school​ budget, a local newspaper polls 357 voters to predict whether…

A: Given, n = 357 p = 53% = 0.53

Q: A news report stated that 65% of vehicles sold nationally were SUVs. A random sample of 100 vehicles…

A: Given info: Here, n=100, p=0.65.

Q: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A: p=0.68  _________________________ P(x≥1) = ?

Q: 3. A survey asked 500 Americans to rate their health. Of those surveyed, 270 rated their health as…

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Q: In a study of car accident fatalities that involved impaired drivers, it was found that 535 drivers…

A: Solution: From the given information, number of drunk drivers is 535 and the number of drugged…

Q: What is the probability that a randomly selected student prefers the arts or does not prefer…

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Q: A market research organization surveyed 102 people and found that 73 of them would like more…

A: 4. Probability: The formula for probability of an event E is as follows:   P(E) = (number of…

Q: What is the probability that a randomly selected participant tasted peaches given that the…

A: Probability is the chance of occurrence of an event.

Q: If a particular shipment of thousands of aspirin tablets actually has a 6​% rate of​ defects, what…

A: Given datap=0.06n = 21Applying Binomial theoremProbability of x success out of n trial is given by

Q: According to IDC, 70% of smartphones in the world use Google’s Android operating system in the…

A: It is given that 70% of smartphones in the world use Google’s Android operating system . Then , the…

Q: A study of consumers smoking habits include 160 people in the 18-22 age bracket (49 of whom smoke),…

A:

Q: What is the probability that a randomly selected participant tasted apples and preferred…

A: Followings are the Explanation of the question 1) Probability is ratio of Number of favorable cases…

Q: What is the probability of selecting a respondent who does not prefer Checkers?

A: Provided data is: Preferred supermarket   Pick n Pay Checkers Woolworths Total No.…

Q: An oil company conducts a geological study that indicates that an exploratory oil well should have a…

A:

Q: Of the last 60 people who went to the cash register at a department store, 13 had blond hair, 19 had…

A: Solution: From the given information, number of people had blond hair is 13, number of people had…

Q: A pew research center survey asked adults in the United States which technology would be very hard…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: What is the probability that a randomly selected female student abstains from​ alcohol?

A:

Q: What is the probability that a randomly selected passenger survived on the Titanic? What is the…

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Q: A market research organization surveyed 102 people and found that 73 of them would like more…

A: GivenThe total number of people the market research organization surveyed = 102 The total number of…

Q: The Chartered Financial Analyst (CFA) institute reported that 51% of its U. S. members indicate that…

A: Note:Hey there! Thank you for the question. As your question contains more than 3 parts, according…

Q: A Gallup poll found that 73.2% of people in the US believe in hell. What is the probability that a…

A: Given that  A Gallup poll found that 73.2% of people in the US believe in hell  P(Believe in hell) =…

Q: A School of Public Health completed a study on alcohol consumption on college campuses. They…

A: Let W denote that randomly selected women college student attend all-women schools,  Wc denote that…

Q: A CNN/USA Today/Gallup poll in April 2005 reported that 75% of adult Americans were satisfied with…

A:

Q: what is the probability that the number of defectives exceeds 170?

A: Given: Sample size (N) = 1000 Number of favorable cases (x) = 170 Population proportion (p0) = 15% =…