3. In a random sample of 500 teenagers 12 to 17 years old, it was found that 330 have regular access te computers and the Internet. a. Find a point estimate of the true proportion of teenagers 12 to 17 years old who have regula access to computers and the Internet, b. Construct a 95% confidence interval for the true proportion of teenagers 12 to 17 years old whe have regular access to computers and the Internet, c. What can you assert with 95% confidence about the possible size of the error d if you estimat the true proportion of teenagers 12 to 17 years old who have regular access to computers and

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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3. In a random sample of 500 teenagers 12 to 17 years old, it was found that 330 have regular access to
computers and the Internet.
а.
Find a point estimate of the true proportion of teenagers 12 to 17 years old who have regular
access to computers and the Internet,
b. Construct a 95% confidence interval for the true proportion of teenagers 12 to 17 years old who
have regular access to computers and the Internet,
What can you assert with 95% confidence about the possible size of the error d if you estimate
the true proportion of teenagers 12 to 17 years old who have regular access to computers and
the Internet to be equal to p = 0.66?
с.
Transcribed Image Text:3. In a random sample of 500 teenagers 12 to 17 years old, it was found that 330 have regular access to computers and the Internet. а. Find a point estimate of the true proportion of teenagers 12 to 17 years old who have regular access to computers and the Internet, b. Construct a 95% confidence interval for the true proportion of teenagers 12 to 17 years old who have regular access to computers and the Internet, What can you assert with 95% confidence about the possible size of the error d if you estimate the true proportion of teenagers 12 to 17 years old who have regular access to computers and the Internet to be equal to p = 0.66? с.
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