Mathematics, 18.02.2020 18:31 demarcuswiseman
A bag has 7 red marbles and 8 yellow marbles. Half of the yellow marbles are made of plastic. A marble is selected at random from the bag. What is the
probability that it is a yellow, plastic marble?
Write your answer as a fraction in simplest form.
Answers: 1
Mathematics, 21.06.2019 17:30
Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?
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Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
Mathematics, 22.06.2019 01:00
Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?
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A bag has 7 red marbles and 8 yellow marbles. Half of the yellow marbles are made of plastic. A marb...
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