Is it unusual?

Autor:Steve Phelps

A jar has 15 black and 10 white marbles. Draw a sample of 8. Count the number of white beads you have. Then examine if it is unusual to have 5 (or more) white beads out of 8.

Nuevos recursos

Building Triangles with Set Areas
Building Trapezoids with Set Areas
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רישום חופשי
Superellipse

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Exercise 9
การบวกจำนวนเต็มลบกับจำนวนเต็มบวก
Sequence Plotter (with sequence of partial sums)
Acute Angle

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Álgebra
Vectores
Esfera
Vectores 3D (tres dimensiones)
Inecuaciones