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solong [7]
2 years ago
9

1. Find the sample size needed to estimate the proportion of voters favoring a candidate if we want our estimate to be within 3%

with 95% confidence. A)2430 B)1068 C)89%
2. A political action group wishes to learn the government approval rating on the environment. From a past study they know that they will have to poll 270 people for their desired level of confidence. If they want to keep the same level of confidence but divide the margin of error in third, how many people will they have to poll? A)2430 B)1068 C)89%

3. A newspaper article indicates that an estimate of the unemployment rate involves a sample of 47,000 people. If the reported rate must be within 0.2% and the rate is known to be 8%, find the corresponding level of confidence. A)2430 B)1068 C)89%
Advanced Placement (AP)
1 answer:
RUDIKE [14]2 years ago
5 0

Answer:

The code to this question can be defined as follows:

sphere Volume = (4.0/3.0)*Pival*sphere Radius*sphere Radius*sphere Radius; // defining a double variable sphere Volume that calculate and hold its value

Explanation:

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