You randomly sample five students at your school to estimate the proportion of students who like tofu.
Question:
a. Find the sample proportion who like it.
b. Find the standard error. Does its usual interpretation make sense?
c. Find a 95% confidence interval, using the large-sample formula. Is it sensible to conclude that all students at your school like tofu?
d. Why is it not appropriate to use the ordinary large sample confidence interval in part c? Use a more appropriate approach, and interpret the result.
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a The sample proportion is 55 10 b se p 1 p n 11 15 0 the usual interpretation of standard error doe...View the full answer
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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