In a brand recognition study, 874 consumers knew of Amazon, and 20 did not. Use these results to estimate the probability that a randomly selected consumer will recognize Amazon. (show answer as a percent rounded to one decimal)

Q: The mean number of cars sold by Beachcomber LTD per day is 3. What is the probability that in any…

A:

Q: he table below summarizes pregnancy test results for 100 patients.   If one subject is randomly…

A: The contingency table is given as:   Positive Test Result Negative Test Result Row Total…

Q: In a large population, 58 % of the people have been vaccinated. If 4 people are randomly selected,…

A: p(people have been vaccinated)=0.58 Numeber of people (n)= 4 Let "X" be the people who has been…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: Given data      Pedestrian Intoxicated Y       Yes No f(X)   Yes 57 79 136 Driver…

Q: The number of eligible voters in Riverdale total to 1285, but only 402 are registered. What is the…

A: Probability is defined as the total number of favorable cases of an event divided by the total…

Q: The probability that an individual is​ left-handed is 0.130. In a class of 25 ​students, what is…

A:

Q: The table summarizes results from 986 pedestrian deaths that were caused by automobile accidents.…

A:

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: The table summarizes results from 984 pedestrian deaths that were caused by automobile accidents.…

A: The probability that the pedestrian was intoxicated or the driver was intoxicated is 34.9 %

Q: A four-sided die is rolled twice, and a card is drawn form a standard deck of playing cards What is…

A: Probability is chance of occurrence of an event, that is ratio of the number of favourable outcomes…

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: Given: Sample size, n = 446 32% of the opera tickets for tonight's show have been sold Proportion =…

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

A: We have to find given probability

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

A:

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: Where E denotes the event and S denotes the sample space.

Q: Do you know Squidward? According to a survey by Nickelodeon TV, 89% of children under 13 in Germany…

A: We hvae to find probabaility that students can recognize both character

Q: The probability that a person buys a car from a particular dealership after a test-drive is 25%.…

A: probability mass function of B.D is = f ( k ) = ( n  k ) p^k * ( 1- p) ^ n-kwhere       k = number…

Q: A quality assurance check is 91% accurate for non-defective devices and 97% accurate for defective…

A: Let us consider that there are 10000 devices. Now given that of the devices checked 84% are not…

Q: In a brand recognition study, 1161 consumers knew of Pepsi, and 32 did not. Use these results to…

A:

Q: When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000…

A: X represents number of atoms that decay in a day which follows Poisson distribution Thus the mean…

Q: The table summarizes results from 978 pedestrian deaths that were caused by automobile accidents.…

A: It is given that,

Q: The opera theater manager calculates that 32 % of the opera tickets for tonight's show have been…

A: The opera theater calculates that 32% of the opera tickets for tonight's show have been sold. That…

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

A:

Q: A three-bulbed flask contains five particles. What is the probability, to three significant figures,…

A: Let us assume X be the random variable representing the number of particles, out of total 5, in the…

Q: A credit card company randomly generates temporary five-digit pass codes for cardholders. Meghan is…

A: General formula of probability,  Probability = Number of favorable outcomes Total outcoms

Q: A film distribution manager calculates that 7 % of the films released are flops. If the manager is…

A: Where.

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: A healthcare agency reported that 51% of people who had coronary bypass surgery in 2008 were over…

A:

Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…

A: Obtain the probability that they both involved drivers that were not intoxicated.   The…

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

A:

Q: When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000…

A: Solution is written in below steps.

Q: Find the probability that a randomly selected month had a PCE that falls below $550.

A:

Q: At the Fidelity Credit Union, a mean of 5.8 customers arrive hourly at the drive-through window.…

A: Givena mean of 5.8 customers arrive hourly at the drive through windowλ=5.8 per hourlyLet "x"be the…

Q: A poll showed that 52.7% of Americans say they believe that life exists elsewhere in the galaxy.…

A: Given, A poll showed that 52.7% of Americans say they believe that life exists elsewhere in the…

Q: In a recent year 304 of the appoximately 300,000,000 people in the USA were struck by…

A: There are 300,000,000 people in the United States in which 304 people were struck by lightning. The…

Q: In a survey of 500 college graduates, 67% reported that they entered a profession closely related to…

A: Given that  In survey of 500 college graduates 67% reported a college major.  P = 0.67 (1-P) =…

Q: In a study of brand recognition, 1013 consumers knew of Costco, and 21 did not. Use these results to…

A: From the provided information, In a study of brand recognition, 1013 consumers knew of Costco, and…

Q: At the Fidelity Credit Union, a mean of 7.3 customers arrive hourly at the drive-through window.…

A: Suppose X is the number of customer that arrive hourly at the drive through window can be considered…

Q: Suppose that a policeman with a radar gun is watching traffic pass on a street where it is the case…

A: Instruction : Use the website www.stattrek.org to calculate probability.    A policeman with a radar…

Q: In a brand recognition study, 882 consumers knew of Starbucks, and 7 did not. Use these results to…

A: Given, 882 recognize Starbucks 7 did not recognize Starbucks Total = 882 + 7 = 889

Q: A carpet expert believes that 7 % of Persian carpets are counterfeits. If the expert is accurate,…

A: Given: p=0.07 and n=574.   So, p^ follows approximately normal distribution with mean, p=0.07 and…

Q: The medal distribution from the 2008 Summer Olympic Games for the top 23 countries is shown below.…

A: Let E and F represents two events, then the conditional probability of those two event is given by…

Q: The table summarizes results from 975 pedestrian deaths that were caused by automobile accidents.…

A:

Q: The table summarizes results from 976 pedestrian deaths that were caused by automobile accidents.…

A: The provided data is tabulated as;

Q: A film distribution manager calculates that 9% of the films released are flops. If the manager is…

A: It is given that 9% of the films released are flops. A sample of 580 is considered.That is, p = 0.09…

Q: In a recent survey, it was found that the median income of families in country A was $57,800. What…

A: Given; median income of families is:  median(m)=$57800  The median of a continuous probability…

Q: A recent survey of 2500 people who own tablets showed that 1,654 use the device to play games, 1,001…

A: Let G be the event that a person uses tablet for playing games and E be the event that a person uses…

Q: The mean number of car sold by Beachcomber LTD per day is 3.What is the probability that in any…

A: Here Given  Avg number of cars sold =3 Here we can Use poission distribution

Q: A poll showed that 44.5% of Americans say they believe that life exists elsewhere in the galaxy.…

A: P(A) + P(Ac) = 1 P(Ac ) = 1- P(A)   ============================== Given P(A) = 0.445  ; A = Life…

Q: A sample of 4 different calculators is randomly selected from a group containing 20 that are…

A: Given,no.of defective calculators=20no.of non defective calculators=10total no.of calculators=30

Q: When studying radioactive​ material, a nuclear engineer found that over 365​ days, 1,000,000…

A: (a) Given that, 20,345 atoms decayed during 365 days The mean number of radioactive atoms that…