Mathematics, 17.04.2021 03:30, neariah24

An environmentalist would like to estimate the true mean weight of all cars. To do so, she selects a random sample of 30 cars and determines that the 90% confidence interval for the true mean weight to be 2.8 to 3.4 tons. Which of the following would increase the margin of error for this confidence interval? selecting another sample
increasing the sample size
increasing the confidence level
decreasing the confidence level

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 13:00, hinojosachristian1

The polygon tool to draw a rectangle with a length of 5 units and a height of 3 units. one of the sides of the rectangle falls on line ab , and the rectangle has a vertex of a. each segment on the grid represents 1 unit.

Answers: 1

continue

Mathematics, 21.06.2019 19:30, dbenjamintheflash5

You have 17 cats that live in houses on your street, 24 dogs, 3 fish, and 4 hamsters. what percent of animals on your block are dogs?

Answers: 2

continue

Mathematics, 21.06.2019 19:30, Nicoleycannolii

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

Answers: 1

continue

Mathematics, 21.06.2019 23:00, Kira4585

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Answers: 2

continue

Do you know the correct answer?

An environmentalist would like to estimate the true mean weight of all cars. To do so, she selects a...