Facebook uses sponsored ads of which 25% are targeted ads and the rest are not. Some ad-blockers attempt to block such targeted ads before theyare delivered to the user. One such ad-blocker has a 51% chance of blocking an ad if it is actually targeted, and a 50% chance of blocking an ad thatis not targeted.a. What is the probability that a randomly selected ad was blocked?Answer in exact fraction, or rounded to at least 4 decimal placesb. If an ad is blocked by the ad-blocker, what is the probability that it was not targeted?Answer in exact fraction, or rounded to at least 4 decimal placesc. If a user is served an ad which was not blocked, what is the probability that it was targeted?Answer in exact fraction, or rounded to at least 4 decimal places

Answered: Image /qna-images/answer/a548b08c-74f1-4ac7-9232-8b4a0659333c.jpg

Answered: Facebook uses sponsored ads of which…

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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