subject
Mathematics, 23.04.2021 04:30 bwalker411

A conglomerate of Christmas tree growers in Oregon wants to know if there is a difference in preference for live Christmas trees between urban and rural regions of the state. They randomly surveyed 160 rural households that put up a Christmas tree the previous season and found that 64 had used a live tree. In a separate random survey, 89 of 261 urban household had put up a live tree the previous season. The 95% confidence interval for the difference of the true proportion of all households (rural - urban) in Oregon that preferred a live tree is between -0.036 and 0.154. Based on the confidence interval, is there convincing evidence that the two population proportions are different

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3
Answers: 2
question
Mathematics, 21.06.2019 20:00
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
question
Mathematics, 21.06.2019 20:00
The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?
Answers: 1
question
Mathematics, 21.06.2019 22:30
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
Answers: 1
You know the right answer?
A conglomerate of Christmas tree growers in Oregon wants to know if there is a difference in prefere...
Questions
question
Mathematics, 25.07.2020 03:01
question
Mathematics, 25.07.2020 03:01
question
Computers and Technology, 25.07.2020 03:01
Questions on the website: 13722367