Dentists use of laughing gas. According to the American Dental Association, 60% of all dentists use nitrous
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Dentists’ use of laughing gas. According to the American Dental Association, 60% of all dentists use nitrous oxide in their practice. In a random sample of 100 dentists, let pn represent the proportion who use laughing gas in their practice.
a. Find E1pn 2.
b. Find spn .
c. Describe the shape of the sampling distribution of pn.
d. Find P1pn 7 .652.
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Related Book For
Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package
ISBN: 978-0134090436
13th Edition
Authors: James Mcclave ,Terry Sincich
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