A biased 4-sided die is numbered 1, 3, 5 and 7. The probability of obtaining each score

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A biased 4-sided die is numbered 1, 3, 5 and 7. The probability of obtaining each score is proportional to that score.

a. Find the expected number of times that the die will be rolled, up to and including the roll on which he first non-prime number is obtained.

b. Find the probability that the first prime number is obtained on the third roll of the die.

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

ISBN: 9781108407304

1st Edition

Authors: Dean Chalmers, Julian Gilbey

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Question Posted: Sep 14, 2021 02:10 AM

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A biased 4-sided die is numbered 1, 3, 5 and 7. The probability of obtaining each score

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Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook

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