Question

1. With same level of confidence, to decrease the margin of error the sample size... a....

1. With same level of confidence, to decrease the margin of error the sample size...

a. stays the same

b. decreases

c. increases

2. With same margin of error, as the level of confidence increases the sample size...

a. decreases

b. increases

c. stays the same

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Answer #1

solution:

1. With same level of confidence, to decrease the margin of error the sample size should increase

option C is right

2. With same margin of error, as the level of confidence increases the sample size stays the same

Option C is right answer

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