i) the first marble drawn is white and the second marble drawn is grey.ii) both marbles drawn are different colours. iii) The second marble drawn is white. A bag contains 4 grey marbles and 7 white marbles. A marble is drawn and is not replaced. Asecond marble is drawn. Find the probability thatb)

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Answered: A bag contains 4 grey marbles and 7…

A bag contains 4 grey marbles and 7 white marbles. A marble is drawn and is not replaced. A second marble is drawn. Find the probability that b)

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

i) the first marble drawn is white and the second marble drawn is grey.

ii) both marbles drawn are different colours.

iii) The second marble drawn is white.

A bag contains 4 grey marbles and 7 white marbles. A marble is drawn and is not replaced. A
second marble is drawn. Find the probability that
b)

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