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If you toss 3 coins 10,000 times, how many times would you expect that exactly 2 heads appear?
Weegy: P(Exactly 1 Head while tossing 3 coins) = 3C1(1/2)^3 = 0.375 Expected value for the number of times exactly 1H will appear when the experiment is repeated 100 000 times = 100 000 x 0.375 = 37 500 /*We toss two dice 1,000 times. [ How many times do we expect to have the sum of the two dice equal to 4?*/ Possibilities are (1)1,3 ; (2) 3,1 ; (3)2,2 When two dies are thrown P(1) = (1/6)^2 P(2)= (1/6)^2 P(3)= (1/6)^2 P(1)+P(2)+P(3)=1/12 When the dies are thrown a 1000 times we can expect to get the sum as 4, 1000x1/12 times = 83 times ] (More)
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Asked 9/11/2012 8:13:34 AM
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There are ____ micrometers (µm) in one millimeter (mm).
Weegy: There are 1,000 micrometers (?m) in one millimeter (mm). User: Light microscopes use a beam of electrons to generate the image we see of the specimen. Answer Weegy: False. User: Which of the following microscopes utilizes reflected light to view an image?Answer a. compound light microscope b.dissecting microscope c. scanning electron microscope d. transmission electron microscope . Weegy: dissecting microscope User: Cells with a higher surface area-to-volume ratio have a harder time with the exchange of material into and out of the cell. Answer User: Cells with a higher surface area-to-volume ratio have a harder time with the exchange of material into and out of the cell.(true,false) Weegy: The answer is false. User: Which of these features is not found in all cells?Answer a. nucleus b.DNA c.cell membrane d. ribosomes (More)
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Asked 9/11/2012 8:45:08 AM
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