We toss a symmetric coin 19 times and denote the number of heads by X. Then we toss an additional 7 times and by Y denot

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We toss a symmetric coin 19 times and denote the number of heads by X. Then we toss an additional 7 times and by Y denot

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We Toss A Symmetric Coin 19 Times And Denote The Number Of Heads By X Then We Toss An Additional 7 Times And By Y Denot 1
We Toss A Symmetric Coin 19 Times And Denote The Number Of Heads By X Then We Toss An Additional 7 Times And By Y Denot 1 (7.78 KiB) Viewed 62 times
We toss a symmetric coin 19 times and denote the number of heads by X. Then we toss an additional 7 times and by Y denote the number of tails in this second series of tosses. Find the variance of X-Y. Answer:
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