You are interested in determining which of two brands of light bulbs, brand A and brand B, lasts longer under differing conditio
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Check the picture below.
so, notice, the prism is really just 6 rectangles stacked up to each other at the edges. So if we just get the area of each rectangle and sum them up, that's the surface area of the prism.
left and right, two 6x5 rectangles
top and bottom, two 17x5 rectangles
front and back, two 17x6 rectangles
so, notice, the prism is really just 6 rectangles stacked up to each other at the edges. So if we just get the area of each rectangle and sum them up, that's the surface area of the prism.
left and right, two 6x5 rectangles
top and bottom, two 17x5 rectangles
front and back, two 17x6 rectangles
The relative frequency of an event is the ratio between how many times that event occurred and the total number of "experiments" performed.
In this case, you performed 60 "experiments", and 28 of them gave the desired output.
So, the relative frequency of tails is