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Answer:
The test statistic is Z = 1.157
Step-by-step explanation:
Given that:
The sample size n = 1200
The sample proportion of those that will vote for the Republican candidate is represented by
The null and the alternative hypothesis can be computed as:
The formula for the one-sample Z-test for the population proportion can be expressed as:
Z = 1.157
Answer:
A.
a= V^1/3 = 12167^1/3 = 23cm
The height = 23cm
B. Area of one face of the cube = =
= 3174
Step-by-step explanation:
A. To find the height of the cube, I used the cube root of the given volume, since the volume of a cube is equal to the cube root of its length/height
B. To find the area of one side of the cube, I sustitute S for the side length/height of the cube, which is 23cm. Then I multiplying the length of the cube's side by its width to find its area, since the length and width of a cube's side is the same.