In a major city, between 2012 and 2017, the police made 300,000 (what are called) investigatory stops. If 70% of the residents of the city are black and 10% of the population of the city are involved in the stops, in a fair system of justice, what is the expected probability of black people being stopped by police? Show the math formula that applies, the math plug-ins, and answer.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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In a major city, between 2012
and 2017, the police made
300,000 (what are called)
investigatory stops. If 70% of
the residents of the city are
black and 10% of the
population of the city are
involved in the stops, in a fair
system of justice, what is the
expected probability of black
people being stopped by
police? Show the math
formula that applies, the math
plug-ins, and answer.
Transcribed Image Text:In a major city, between 2012 and 2017, the police made 300,000 (what are called) investigatory stops. If 70% of the residents of the city are black and 10% of the population of the city are involved in the stops, in a fair system of justice, what is the expected probability of black people being stopped by police? Show the math formula that applies, the math plug-ins, and answer.
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