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What is the impact of widening the margin of error? Question 9 options: The confidence level increases. The...

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Question

Basic Math

What is the impact of widening the margin of error?

Question 9 options:

The confidence level increases.

The confidence level decreases.

The confidence level stays the same.

It is unclear what the confidence level does.

You dropped out of DePaul to pursue your passion as an amateurentomologist. Congrats,...I guess. You collect 25 cockroaches andmeasure the width of their thorax. The mean is 1.7 cm and you knowthe standard deviation of the population's thorax width is 0.25.Calculate the 95% confidence interval.

Question 10 options:

1.7 +/- 1.96

1.7 +/- 0.02

1.7 +/- 0.10

1.7 +/- 1.65

What if you had collected 50 cockroaches instead?

Question 11 options:

1.7 +/- 0.07

1.7 +/- 0.001

1.7 +/- 0.01

1.7 +/- .02

What if you had collected 100 cockroaches instead?

Question 12 options:

1.7 +/- 0.02

1.7 +/- 0.005

1.7 +/- 0.05

1.7 +/- .002

Answer & Explanation Solved by verified expert
4.5 Ratings (753 Votes)
Solution 9Confidence level increases Given that 17 025At 95 confidence level the z is 1 95    See Answer
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