Freq distribution
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![X = 2*Bin(300,1/2) – 300 E[X] = 0 Y = 2*Bin(30,1/2) – 30 E[Y] = 0.](https://static.fdocuments.in/doc/330x215/56649efa5503460f94c0b9ca/x-2bin30012-300-ex-0-y-2bin3012-30-ey-0.jpg)
