anonymous
  • anonymous
A bowl contains 4 yellow marbles and 3 red marbles. Eric randomly draws 3 marbles from the bowl. He replaces each marble after it is drawn. What is the probability that he draws 1 yellow marble and 2 red marbles? @dabest21
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
well the first probability is 4/7 (4 yellow out of seven total). then he picks one and REPLACES IT (key words) this means the total marbles wont change so do 4/7*3/7*3/7 in other words do 4*3*3=what @thisotherliz
anonymous
  • anonymous
36
anonymous
  • anonymous
yes now 7*7*7=what @thisotherliz

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anonymous
  • anonymous
343
anonymous
  • anonymous
yes so 36/343
anonymous
  • anonymous
for further problems know that if it doesn't say he/she replaced whatever item was took out then make it into fractions with the total going down each time its like if u had 5 cookies and u ate 1 u wouldn't still have 5 u would have 4 so that would at first be 5/5 (because they are all cookies) then for the second cookie its 4/4 if it says it was replaced just don't change the total amount Plz ask me for more help but also read all of this @thisotherliz

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