As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red. 1) What is the sample size? 2) what is the sampling method used in this example called?
As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red. 1) What is the sample size? 2) what is the sampling method used in this example called?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 7CR
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As part of a statistics project, a 6th grade teacher brings to
class a container with 300 red marbles and 500 white
marbles which are thoroughly mixed. To figure out how
many marbles in the container are red without actually
counting them all, a student randomly draws 40 marbles
from the container. Of the 40 marbles drawn, 16 are red. 1) What is the sample size ? 2)
what is the sampling method used in this
example called?
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