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.
Answers: 1
Mathematics, 21.06.2019 16:30, alexialoredo625
Anyone know? will mark brainliest if correct
Answers: 1
Mathematics, 21.06.2019 22:30, hala201490
Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.
Answers: 1
Mathematics, 21.06.2019 22:30, kdtd3163
In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%
Answers: 1
Mathematics, 22.06.2019 03:00, PearlJam5492
What is the answer to question 11? will give extra points! include a explanation (reasonable) for you : )
Answers: 2
Im giving all of my points. Please help me.
A researcher has conducted a survey using a simple rand...
Biology, 28.09.2019 14:30
Mathematics, 28.09.2019 14:30
Health, 28.09.2019 14:30
Geography, 28.09.2019 14:30
Mathematics, 28.09.2019 14:30