subject
Mathematics, 22.06.2019 11:00 yasmimyamamoto2015

At an art exhibition there are 12 paintings of which 10 are original. a visitor selects a painting at random and before decides to buy he asks the opinion of an expert about the authenticity of the painting. the expert is right in 9 out of 10 cases on average. given that the expert decides the painting is authentic what is the probability it really is? if the expert decides the paining is a copy then the visitor returns it and chooses another one what is the probability that her second choice is an original?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 22.06.2019 01:20
The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}
Answers: 2
question
Mathematics, 22.06.2019 01:30
At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.
Answers: 2
question
Mathematics, 22.06.2019 03:40
Ne height of zak is 1.86 metres. the height of fred is 1.6 metres. write the height of zak as a fraction of the height of fred. give your answer in its simplest form.
Answers: 1
question
Mathematics, 22.06.2019 04:00
What is the measure of ba (the minor arc) in the diagram below?
Answers: 3
You know the right answer?
At an art exhibition there are 12 paintings of which 10 are original. a visitor selects a painting a...
Questions
question
Health, 26.01.2021 03:40
question
Chemistry, 26.01.2021 03:40
question
History, 26.01.2021 03:40