A fair coin is flipped 5 times. What is the probability that exactly 2 of the 5 flips come up heads? (answer in fraction form only, no factorial notation, permutation or combination notation is allowed)

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A: The PDF of a random variable U is given as:Chi-square distribution with n degrees of freedom:

Q: it is incorrect. please help me with a new answer

A: (c)Given

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A: We will use definition

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A: Refer Standard normal table/Z-table, Lookup for z-score corresponding to area 0.98 to the left of…

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A: P(−1.98<z< - 0.03) = P(Z< -0.03) – P(Z< -1.98) = 0.488034 – 0.023852 = 0.464182 P(Z <…

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A: To use normal approximation, the following conditions should be satisfied. np>5 and n(1-p)>5

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A: Given that :∫−60​f(x)dx=−8∫06​f(−x)dx=−8If f(x) is even function, then f(-x) = f(x) . Hence, FOR…

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