 Solution

ID: past-exam-of-the-probability-statistics-and-options-ii-course-of-the-university-of-oxford/2009/e/e3/b/iii/gamma/solution

The same equality of balls gives the reverse implication: continuity at

a

d

implies continuity at

a

d_{a}

. The latter implies continuity everywhere by the first part. These implications complete the equivalence of all three printed conditions.

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