subject
Mathematics, 15.08.2021 01:00 taryn1932

Im giving all of my points. Please help me. A researcher has conducted a survey using a simple random sample of 225 elementary teachers to create a confidence interval to estimate the proportion of elementary teachers favoring the addition of a soda machine to the cafeteria. Assume that the sample proportion does not change. The researcher now decides to survey a random sample of 25 teachers instead of 225 elementary teachers. Which of the following statements best describes how the confidence interval is affected by this change?

The width of the new interval is about the same width as the original interval.
The width of the new interval is about twice the width of the original interval.
The width of the new interval is about one half the width of the original interval.
The width of the new interval is about one third the width of the original interval.
The width of the new interval is about three times the width of the original interval.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:00
What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15
Answers: 1
question
Mathematics, 21.06.2019 21:50
Ab and bc are tangent to circle d. find x is ab = 3x + 8 and bc = 26. find x
Answers: 1
question
Mathematics, 22.06.2019 01:30
Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?
Answers: 2
question
Mathematics, 22.06.2019 02:00
Prove the following(cot0+cosec0)[tex](cot0 + cosec0) { }^{2} = \frac{1 + cos0}{1 - cos0} [/tex]
Answers: 1
You know the right answer?
Im giving all of my points. Please help me. A researcher has conducted a survey using a simple rand...
Questions
question
Physics, 11.11.2021 14:00
question
Computers and Technology, 11.11.2021 14:00
Questions on the website: 13722361