Question: (a) Explain without any calculations why the mean number on a die rolled should be equal to 3.5. Verify it proceeding from definition (2.1.1). (b)

(a) Explain without any calculations why the mean number on a die rolled should be equal to 3.5. Verify it proceeding from definition (2.1.1).

(b) Let us revisit Exercise 5a. Say, without calculations, in which case the mean is larger.

(c) Show that for any symmetric distribution (see a definition in Exercise 5), the expected value equals the center of symmetry.

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a The mean is 16 35 This is easy to compute but the result is obvious b... View full answer

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