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Latest revision as of 19:15, 21 March 2026
A fair die is rolled repeatedly. Let [math]X[/math] be the number of rolls needed to obtain a 5 and [math]Y[/math] the number of rolls needed to obtain a 6.
Calculate [math]\operatorname{E}(X | Y = 2). [/math]
- 5.0
- 5.2
- 6.0
- 6.6
- 6.8
Copyright 2023. The Society of Actuaries, Schaumburg, Illinois. Reproduced with permission.