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Nutka1998 [239]
2 years ago
5

You select a marble without looking and then put it back. If you do this 48 times, what is the best prediction possible for the

number of times you will pick a marble that is not purple?
Mathematics
1 answer:
xxTIMURxx [149]2 years ago
4 0

Answer:

how many marbles and how many colors do we have?

Step-by-step explanation:

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From the graph, the given points are (2,-1) and (4,0). Use the distance between two points formula:

\large \boxed{ \sqrt{ {(x_2 - x_1)}^{2} +  {(y_2 - y_1)}^{2} } }

Substitute these points in the formula.

\large{ \sqrt{ {(2 - 4)}^{2}  +  {( - 1 - 0)}^{2} } } \\  \large{ \sqrt{ {( - 2)}^{2} +  {( - 1)}^{2}  } }  \\  \large{ \sqrt{4 + 1} \longrightarrow  \sqrt{5}  }

Hence, the distance is √5

Answer

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Out of 224 draws, you should expect \dfrac{14}{56}\times224=56 of the marbles to be either white or gray.
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