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Q.1.1

Expert-verified
Found in: Page 487

The Practice of Statistics for AP

Book edition 4th
Author(s) David Moore,Daren Starnes,Dan Yates
Pages 809 pages
ISBN 9781319113339

In each of the following settings, check whether the conditions for calculating a confidence interval for the population proportion p are met.1. An AP Statistics class at a large high school conducts a survey. They ask the first $100$ students to arrive at school one morning whether or not they slept at least 8 hours the night before. Only 17 students say "Yes."2. A quality control inspector takes a random sample of 25 bags of potato chips from the thousands of bags filled in an hour. Of the bags selected, 3 had too much salt.

No, the condition of the random sample is not satisfied.

See the step by step solution

Step 1: Given Information

Number of success (x)$=17$

Number of trials (n)$=100$

Step2: Explanation

The sample was picked based on the school's convenience for children who arrive early, and using the basic random sampling technique is one of the conditions for generating the confidence interval for population percentage. As a result, in this circumstance, the criteria of a simple random sample is not met.