Introduction to Probability · Problem 5.1.7

Distributions and Densities — Grinstead & Snell

Mathematics — Probability · geometric-distribution

Problem

A die is rolled until the first time

T

that a six turns up. (a) What is the probability distribution for

T

? (b) Find

P(T > 3)

. (c) Find

P(T > 6 | T > 3)