Virtual Labs

Computing Pi using the Monte Carlo Method

What is the relationship between the radius and diameter of a circle?

a: The diameter is twice the radius Explanation

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b: The radius is twice the diameter Explanation

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c: The radius and diameter are equal Explanation

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d: The diameter is half the radius Explanation

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If a square has a side length of 4 units, what is its area?

a: 16 square units Explanation

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b: 8 square units Explanation

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c: 12 square units Explanation

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d: 4 square units Explanation

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The value of Pi is approximately...

a: 3.14159 Explanation

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b: 2.71828 Explanation

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c: 1.61803 Explanation

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d: 1.41421 Explanation

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Why is the Monte Carlo method considered a probabilistic method?

a: Because it uses random numbers to find a solution Explanation

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b: Because it always gives the exact same answer Explanation

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c: Because it is a very old method Explanation

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d: Because it was invented by a gambler Explanation

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In the context of the Pi experiment, what does a point being 'inside the circle' mean?

a: Its distance from the center is less than the radius Explanation

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b: Its distance from the center is greater than the radius Explanation

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c: Its distance from the center is equal to the radius Explanation

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d: It is colored red Explanation

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If the area of the square is 4 and the area of the inscribed circle is π, what is the ratio of the areas?

a: π/4 Explanation

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b: 4/π Explanation

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c: π Explanation

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d: 4 Explanation

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If you run the experiment twice with 1000 points each time, would you expect to get the exact same estimate for Pi? Why?

a: No, because the points are generated randomly each time Explanation

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b: Yes, because the number of points is the same Explanation

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c: Yes, because the formula for Pi is constant Explanation

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d: No, because the computer makes errors Explanation

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If you wanted to estimate the value of Pi to a very high degree of accuracy using this method, what would you need to do?

a: Generate a very large number of points Explanation

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b: Use a very small number of points Explanation

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c: Use a faster computer Explanation

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d: Use a different shape instead of a circle Explanation

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Imagine you have a 3D sphere inscribed in a cube. How could you adapt the Monte Carlo method to estimate Pi?

a: Generate random points in the cube and find the ratio of points inside the sphere to the total points Explanation

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b: It's not possible to use the Monte Carlo method in 3D Explanation

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c: Draw a 2D projection and use the same method Explanation

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d: Count the vertices of the cube and sphere Explanation

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