# Posts by Rhi

Total # Posts: 3

**Algebra 2**

Robert spins the spinner and rolls a standard number cube. Find the probability that the spinner will stop on purple and the cube will show a six.

*May 18, 2016*

**Physics**

A uniform spherical shell of mass M = 19.7 kg and radius R = 1.62 m rotates about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 1.02 kg m2 and radius r = 0.63 m, and is attached to a ...

*June 2, 2012*

**statistics**

A manufacturer knows that their items have a normally distributed length, with a mean of 7.3 inches, and standard deviation of 0.6 inches. If one item is chosen at random, what is the probability that it is less than 5.5 inches long?

*January 16, 2012*

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