Below is a distribution of race in the United States from 2014. If we were to randomly choose 150 people for a survey, what is the probability that less than 70 of them would be white (round to 3 decimal places)? Would this be unusual? If so, give some reasons why a particular sample might have less than 70 whites. How many Asian people should we expect to have in a randomly selected group of 150 people?What is the probability you would randomly select two Americans and they would both be white? What is the probability that we would randomly choose a sample of 150 people and more than 22 of them were black (to 3 decimal places)? United StatesPercentWhite60.5%Black12.5%Hispanic18.3%Asian5.7%Other3%

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Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter7: Percents

Section7.3: Percents And Decimals

Problem 17C

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Below is a distribution of race in the United States from 2014.

If we were to randomly choose 150 people for a survey, what is the probability that less than 70 of them would be white (round to 3 decimal places)? Would this be unusual? If so, give some reasons why a particular sample might have less than 70 whites.
How many Asian people should we expect to have in a randomly selected group of 150 people?
What is the probability you would randomly select two Americans and they would both be white?

What is the probability that we would randomly choose a sample of 150 people and more than 22 of them were black (to 3 decimal places)?

United States
Percent
White
60.5%
Black
12.5%
Hispanic
18.3%
Asian
5.7%
Other
3%

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