Please answer correctly.
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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Please answer correctly.
Transcribed Image Text:Anna and Charles have a bag that contains 1 black marble and 1 white marble. They are playing a game
where they randomly select a marble out of the bag three times, with replacement.
Anna thinks that the probability of getting a black marble on the first selection and a black marble on the
third selection is greater than the probability of getting a black marble on the first selection and a white
marble on the third selection. Charles disagrees. He thinks that the two probabilities are equal.
The sample space of possible outcomes is listed below. B represents a black marble, and W represents a
white marble.
Who is correct, Anna or Charles?
Choose 1 answer:
A
Charles is correct.
Anna is correct.
BBB
BWB
WWB
WBW
BBW
WBB
BWW
www
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