Mathematics
Mathematics, 03.12.2021 22:00, umezinwachukwuebuka1

A university with a high water bill is interested in estimating the mean amount of time that students spend in the shower each day. In a sample of 32 students, the average time was 5.04 minutes and the samples standard deviation was 0.96 minutes. Using this sample information, construct a 99% confidence interval for the mean amount of time that students spend in the shower each day. (a) What is the lower limit of the 99% interval? Give your answer to three decimal places. (b) What is the upper limit of the 99% interval? Give your answer to three decimal places.

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:10, deelooh
The rows and columns of lattice points in a three-by-three square array are evenly spaced one unit apart. how many distinct triangles with at least one side of length 2 units can be drawn using three lattice points for the vertices?
Answers: 1
image
Mathematics, 21.06.2019 14:00, ashley232323
∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°
Answers: 1
image
Mathematics, 21.06.2019 19:00, Olavarriafamily1
The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).
Answers: 1
image
Mathematics, 21.06.2019 19:30, TamB01
The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?
Answers: 1
Do you know the correct answer?
A university with a high water bill is interested in estimating the mean amount of time that student...

Questions in other subjects: