Answered: What is the probability the next child…

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

According to the textbook, it is reported that 85% of Asians, 78% of white, 70% of
Hispanic, and 38% of black children have two parents at home. Suppose there are
500 students in a representative school, of which 280 are white, 50 are Asian, 100 are
Hispanic, and 70 are black. Assume that individuals are only allowed to associate with
a predominant category (e.g. cannot be in two or more categories).
What is the probability the next child to arrive at the representative school is
Hispanic?
O 0.70 or 70%
O 0.20 or 20%
O 0.30 or 30%
O 0.80 or 80%

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According to the textbook, it is reported that 85% of Asians, 78% of white, 70% of Hispanic, and 38% of black children have two parents at home. Suppose there are 500 students in a representative school, of which 280 are white, 50 are Asian, 100 are Hispanic, and 70 are black. Assume that individuals are only allowed to associate with a predominant category (e.g. cannot be in two or more categories).

What is the probability the next child to arrive at the representative school is not Asian?

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