In 2007 A Gallup Poll Estimated That 45% Of U S

One sample proportion hypothesis test:
p : Proportion of successes
Ho : p = 0.45
HA : p lt; 0.45
Hypothesis test results:
Proportion Count Total Sample Prop.
Std. Err.
Z-Stat
P-value
p
39
100
0.39 0.049749372 -1.2060454
0.1139Statistics and Probability