Mathematics, 04.07.2020 14:01 Kylehc21

Suppose the number of business majors at liberal arts colleges are normally distributed and have a known population standard deviation of 21 students and an unknown population mean. A random sample of 35 liberal arts colleges is taken and gives a sample mean of 420 business majors. Find the margin of errorfor the confidence interval for the population mean with a 90% confidence level. Round the final answer to two decimal places.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, rebelprincezz5785

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip. gasoline costs $1.05 per gallon. what was the cost of gasoline per mile driver?

Answers: 3

continue

Mathematics, 21.06.2019 15:40, sheabenitez305

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Answers: 1

continue

Mathematics, 21.06.2019 23:40, tanviknawale

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

Answers: 3

continue

Mathematics, 22.06.2019 01:00, karmaxnagisa20

First work with stencil one. use a combination of reflections, rotations, and translations to see whether stencil one will overlap with the original pattern. list the sequence of rigid transformations you used in your attempt, noting the type of transformation, the direction, the coordinates, and the displacement in

Answers: 3

continue

You know the right answer?

Suppose the number of business majors at liberal arts colleges are normally distributed and have a k...