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The sampling distribution of p, the proportion of groceries thrown out by your sample respondents is not normal since n < 30. approximately normal if np 2 5 and n(1-P) > 5. approximately normal if np > 30 and n(1-P) > 30. approximately normal because p is always normally distributed.

The sampling distribution of p, the proportion of groceries thrown out by your sample respondents is not normal since n < 30. approximately normal if np 2 5 and n(1-P) > 5. approximately normal if np > 30 and n(1-P) > 30. approximately normal because p is always normally distributed.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. Answer questions 8-10.
Transcribed Image Text:People end up tossing 12% of what they buy at the grocery store (Reader's Digest, March 2009). Assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. Answer questions 8-10.
The sampling distribution of p, the proportion of groceries thrown out by your sample respondents is not normal since n < 30. approximately normal if np 2 5 and n(1-P) > 5. approximately normal if np > 30 and n(1-P) > 30. approximately normal because p is always normally distributed.
Transcribed Image Text:The sampling distribution of p, the proportion of groceries thrown out by your sample respondents is not normal since n < 30. approximately normal if np 2 5 and n(1-P) > 5. approximately normal if np > 30 and n(1-P) > 30. approximately normal because p is always normally distributed.
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