QUESTION 2 k and n are integers with 1 <= k <= n. You have 2 bit-strings a1, a2, ., an, and the other is b1, b2, .. bn. Now, we create a new bit string: a1 * b1, a2 * b2, .. an * bn where ai * bi is gotten from multiplying the two bits. Now, calculate the probability that this new bit-string contains= exactly k many 1's?

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