Mathematics, 05.05.2020 00:44 PollyB1896
According to a Gallup survey conducted in July 2011, 20% of Americans favor reducing the U. S. budget deficit by using spending cuts only, with no tax increases. An economics professor believes that fewer college students would favor deficit reduction through spending cuts only. The professor surveys 500 college students and finds that 75 of them favor reducing the deficit using only spending cuts. What is the test statistic?
A. Z=-2.80
B. Z=2.80
C. Z=-3.13
D. Z=3.13
Answers: 2
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