Answered: If the selected marble selected is…

Math

Probability

If the selected marble selected is red, what is the probability that the flip resulted in a head?

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

An unfair coin with Pr[H] =

0.2

is flipped. If the flip results in a head, a marble is selected at random from a urn containing

seven

red and

three

blue marbles. Otherwise, a marble is selected from a different urn containing

one

red and

seven

blue marbles.

If the selected marble selected is red, what is the probability that the flip resulted in a head?

nothing

If necessary, round your answer to 4 decimal places.

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