MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Collin surveys 172 students at random to determine the proportion of students who have attended
Mt. San Jacinto College for more than two years. Suppose that, in reality, 50% of students have
attended for more than two years.
1. How are the collection of all sample proportions of samples of size 172 distributed?
NO
2. What is the probability that fewer than 48% of students in Collin's sample have been enrolled
for more than two years?
o List the z-scores needed to calculate the result. If there is more than one z-score,
separate the values with a comma.
o There is a
sample have been enrolled for more than two years.
chance that fewer than 48% of students in Collin's
3. What is the probability that more than 53% of students in Collin's sample have been enrolled
for more than two years?
o List the z-scores needed to calculate the result. If there is more than one z-score,
separate the values with a comma.
chance that more than 53% of students in Collin's
o There is a
sample have been enrolled for more than two years.
4. What is the probability that between 48% and 53% of students in Collin's sample have been
enrolled for more than two years?
o List the z-scores needed to calculate the result. If there is more than one z-score,
separate the values with a comma.
o There is a
Collin's sample have been enrolled for more than two years.
chance that between 48% and 53% of students in
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Transcribed Image Text:Collin surveys 172 students at random to determine the proportion of students who have attended Mt. San Jacinto College for more than two years. Suppose that, in reality, 50% of students have attended for more than two years. 1. How are the collection of all sample proportions of samples of size 172 distributed? NO 2. What is the probability that fewer than 48% of students in Collin's sample have been enrolled for more than two years? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. o There is a sample have been enrolled for more than two years. chance that fewer than 48% of students in Collin's 3. What is the probability that more than 53% of students in Collin's sample have been enrolled for more than two years? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. chance that more than 53% of students in Collin's o There is a sample have been enrolled for more than two years. 4. What is the probability that between 48% and 53% of students in Collin's sample have been enrolled for more than two years? o List the z-scores needed to calculate the result. If there is more than one z-score, separate the values with a comma. o There is a Collin's sample have been enrolled for more than two years. chance that between 48% and 53% of students in
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