(b) that a music download was neither tropical nor regionalNext, calculate the relative frequency that...
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(b) that a music download was neither tropical nor regionalNext, calculate the relative frequency that a download was neither tropical nor regional.We are given that, of the 400 total downloads, 200 were regional, 110 were pop-rock, 80 were tropical, and 10 were urban. The categories of music that are not tropical and not regional are pop-rock and urban. So, the frequency of music downloads that are neither tropical nor regional is equal to the frequency of music downloads that are pop-rock or urban. The frequency of music downloads that are pop-rock or urban is 110 + 10 = 120 So the frequency of music downloads that are neither tropical nor regional is
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