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Two students flip coins and record the number of heads. They are supposed to flip 200 coins. The first student flips 200 coins, but

Two students flip coins and record the number of heads. They are supposed to flip 200 coins. The first student flips 200 coins, but the second student flips 100 coins and then doubles the result. a)Find the EV and SE for the number of heads that the first student gets. b) Find the EV and SE for what the second student gets after doubling. c)Find the EV and SE for what the two students get if they add their results.

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