flipped. If it shows heads, you draw a marble from shows tails, you draw a marble from urn B with 3 of choosing a blue marble, given that the coin sh

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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You flip a coin that is not fair; the probability of heads on each flip is 0.7.
The coin is flipped. If it shows heads, you draw a marble from urn A with 1 blue and 4 red marbles.
If the coin shows tails, you draw a marble from urn B with 3 blue and 1 red marble. Find the
probability of choosing a blue marble, given that the coin showed heads.
○ (0.7) · (₹) + (0.3) · (³)
○ (0.7) · (-/-)
+
من | حر
= 0.14
= 0.2 +0.75 =
=
0.14 0.0225
0.95
= = 0.1625
Transcribed Image Text:You flip a coin that is not fair; the probability of heads on each flip is 0.7. The coin is flipped. If it shows heads, you draw a marble from urn A with 1 blue and 4 red marbles. If the coin shows tails, you draw a marble from urn B with 3 blue and 1 red marble. Find the probability of choosing a blue marble, given that the coin showed heads. ○ (0.7) · (₹) + (0.3) · (³) ○ (0.7) · (-/-) + من | حر = 0.14 = 0.2 +0.75 = = 0.14 0.0225 0.95 = = 0.1625
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