Population Proportion Answers

4 verified answers

Which confidence interval represents the estimated proportion of people willing to pay higher prices for gas?

between 50.5% and 68.1%

between 53.3% and 64.7%

between 54.2% and 63.8%

between 55.3% and 62.7%

In the formula n = (1 – ) • , the value of (1 – ) is .

0.03

0.41

0.59

0.97

When n is calculated, the result after rounding is .

1,033

1,750

2,178

2,519

When the margin of error is calculated using the formula E = z* , to the nearest tenth of a percent, the result is %.

4.2

5.1

7.6

8.1

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