In 2016 the Harris poll estimated that 3.3% of American adults are vegetarian. A nutritionist thinks this
Question:
In 2016 the Harris poll estimated that 3.3% of American adults are vegetarian. A nutritionist thinks this rate has increased. The nutritionist samples 150 American adults and finds that 11 are vegetarian.
a. What is p̂, the sample proportion of vegetarians?
b. What is p0, the hypothetical proportion of vegetarians?
c. Find the value of the test statistic. Explain the test statistic in context.
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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