Labor Day was created by the U.S. labor movement over 100 years ago. It was subsequently adopted
Question:
a. In 1936, about 72% of Americans approved of labor unions. At the 5% significance level, do the data provide sufficient evidence to conclude that the percentage of Americans who approve of labor unions now has decreased since 1936?
b. In 1963, roughly 67% of Americans approved of labor unions. At the 5% significance level, do the data provide sufficient evidence to conclude that the percentage of Americans who approve of labor unions now has decreased since 1963?
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a The sample proportion is p 0650 005 p 0 072 np o 1003 072 7222 n 1 p 0 1003 1 072 2808 Since both ...View the full answer
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