Population Proportion Answers

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Which statements are true about estimating the population proportion of employees who prefer the new coffee brand? Check all that apply.

The value of n is 850.

The best estimate of the population proportion is = 74%.

The best estimate of the population proportion is = 24%.

The CEO can confidently conclude that the old coffee brand is preferred.

The value of x is 148.

Estimate the population proportion as .

0.10

0.13

0.31

0.40

(1 – ) = .

0.31

0.6

0.69

0.87

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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