An educator wants to construct a 99% confidence interval for the true proportion of California school children who are proficient in reading. Suppose that of a simple random sample of 600 California school children, 70% were proficient in reading. We are interested in the number that were proficient in reading. a) what parameter are we estimating? p b) What is the point estimate of that parameter? OT c) What is a success for this problem? proficient in reading d) How many successes were there? e) Find the margin of error for a 99% confidence interval, rounded to the 5th. f) Round to the fourth. We are 99% confident that the true proportion of California school children that are proficient in reading is between and

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
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An educator wants to construct a 99% confidence interval for the true proportion of California school
children who are proficient in reading. Suppose that of a simple random sample of 600 California school
children, 70% were proficient in reading. We are interested in the number that were proficient in reading.
a) what parameter are we estimating? p
b) What is the point estimate of that parameter? p
c) What is a success for this problem? proficient in reading
d) How many successes were there?
e) Find the margin of error for a 99% confidence interval, rounded to the 5th.
f) Round to the fourth.
We are 99% confident that the true proportion of California school children that are proficient in reading is
between
and
Transcribed Image Text:An educator wants to construct a 99% confidence interval for the true proportion of California school children who are proficient in reading. Suppose that of a simple random sample of 600 California school children, 70% were proficient in reading. We are interested in the number that were proficient in reading. a) what parameter are we estimating? p b) What is the point estimate of that parameter? p c) What is a success for this problem? proficient in reading d) How many successes were there? e) Find the margin of error for a 99% confidence interval, rounded to the 5th. f) Round to the fourth. We are 99% confident that the true proportion of California school children that are proficient in reading is between and
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