Test result Positive Negative Antibodies present 0.9985 0.0015 Antibodies absent 0.0060 0.9940

Q: Experience has shown that one out of every four customers who place an order with an internet retail…

A:

Q: Please answer d and e.

A: Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three…

Q: Under what circumstances it would be helpful to identify the probability of an event

A: For identify the probability of an event the circumstances have to explain.

Q: My friend Mary lies 20% of the time. She calls me and says that it's currently raining in Amsterdam.…

A: Since Mary lying and its raining in Amsterdam are two independent events

Q: A television station wants to know how its newest show is performing. The results of their poll of…

A: Given that,A television station wants to know how its newest show is performing.

Q: Trust Bank was opened across the street from the Bank of Texas (BoT) last year. They know that they…

A: Given that they assume 0.50 probability that the customer banked at truis or bot

Q: A 2012 study asked respondents about their confidence in banks and financial institutions as well as…

A: Obtain the probability a respondent has a great deal of confidence in banks and financial…

Q: Oxnard Petro Ltd. is buying hurricane insurance for its off-coast oil drilling platform. During the…

A: It is given that the probability of total loss of only the above water superstructure is 0.40, the…

Q: The table below shows the results of a survey about a junk food tax.     Support Oppose Unsure Male…

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Q: Charlie fills out six applications. What is the probability that none of the companies calls her for…

A: here given 28% chance of getting job interview if she fills out an application p =.28 q = 1-p = 0.72…

Q: Whether or not you need glasses appears (ha ha) to depend mostly on your genes, but is also…

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Q: Experience has shown that one out of every five customers who place an order with an internet…

A:

Q: In some situations, one event effects or alters subsequent events. In other situations, events are…

A: Given that  In an experiment, you are comparing the percentages of right-handed batter to…

Q: There is a 72% chance you will be able to get tickets to a concert to see your favorite band in the…

A: Given problem Given that   There is a 72% chance you will be able to get tickets to a concert to…

Q: Danny selects a glass bottle from the shelf randomly without looking and then tosses the fair coin.…

A: The selection of glass bottles and tossing coins are two independent events.  So, we have to find…

Q: The table below shows results for a cancer screening test.   Positive Test Results (Test shows…

A: The union probability for any two events A and B is defined as P(A ∪ B) = P(A)  + P(B) – P(A ∩ B).

Q: The managers of a corporation were surveyed to determine the background that leads to a successful…

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Q: In a class of students, the following data table summarizes how many students play an instrument or…

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Q: regional automobile dealership sent out fliers to prospective customers indicating that they had…

A: From the part b and c we get.

Q: Your financial planning company has a large database of clients. There is a 0.405 probability that a…

A: P(401k) = 0.405 P(Roth IRA) = 0.188 P(401k OR Roth IRA) = 0.513

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

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Q: Lily is concerned she might have a disease that affects 10% of the population. A drug-store test is…

A: The test in question has a false positive rate of 20% and a false negative rate of 30% therefore we…

Q: For a story she is writing in her high school newspaper, Grace surveys moviegoers selected at random…

A: There are two categorical variables which are rating and age. Rating has 2 types which are thumbs up…

Q: Your IPOD contains 20% rap, 10% R&B, 40% rock, and 30% classical music. If you randomly select a…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: The probability that a lab specimen contains high levels of contamination is 0.10. A group of 4…

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Q: Donald is watching an old game show rerun on television called Let’s Make a Deal in which the…

A: Given data Gag prize = $120 World trip = $8100 Probability of choosing a gag price = 0.75 x…

Q: The probability that your classmate likes ice cream is 80%. And the probabability that they like…

A: Given: The probability that your classmate likes ice cream is 80%. And the probability that they…

Q: A 2012 study asked respondents about their confidence in banks and financial institutions as well as…

A:

Q: Please answer a, b and c.

A: Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three…

Q: A disease affects 1 out of every 500 people. If you have the disease, you test positive 90% of the…

A: P( a person affected by the disease) = P(D) = 0.002 P( a person not affected by the disease) = P(ND)…

Q: The table below shows the results of a survey about a junk food tax.     Support Oppose Unsure Male…

A: The contingency table is defined as follows:   Support Oppose Unsure Row Total Male…

Q: In a 1 pond bag of skittles the possible colors were red, green, yellow, orange, and purple. The…

A:

Q: Lavelle wears socks that are either red, white, or black. If there's a 28% chance that he'll wear…

A: There are 3 type of socks. White, red and black. 28% chance of he wear a white and 42 chance that he…

Q: A company is conducting a survey to determine how prepared people are for a long-term power outage,…

A: Given data; Response Frequency very prepared 260 somewhat prepared 993 not too prepared 529…

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

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.