Mathematics, 17.12.2019 00:31 hosteenimport21
Six measurements were made of the magnesium ion concentration (in parts per million, or ppm) in a city's municipal water supply, with the following results. it is reasonable to assume that the population is approximately normal.
70 201 199 202 173 153
based on a 95% confidence interval for the mean magnesium ion concentration, is it reasonable to believe that the mean magnesium ion concentration may be greater than 208? (hint: you should first calculate the 95% confidence interval for the mean magnesium ion concentration.)
a. no
b. the likelihood cannot be determined.
c. yes
Answers: 2
Mathematics, 22.06.2019 00:30
Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?
Answers: 2
Mathematics, 22.06.2019 03:00
Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?
Answers: 1
Mathematics, 22.06.2019 04:30
Moesha is (3g+1) years old and shanti is twice moesha age. find the sum of the ages of moesha and shanti in 2 years time. how old will shanti be when moeshas age in twice her present age? find how old moesha and shanti were 4 years ago if g= 5
Answers: 2
Six measurements were made of the magnesium ion concentration (in parts per million, or ppm) in a ci...
Mathematics, 04.02.2021 22:20
English, 04.02.2021 22:20
English, 04.02.2021 22:20
Mathematics, 04.02.2021 22:20
Mathematics, 04.02.2021 22:20
English, 04.02.2021 22:20
Mathematics, 04.02.2021 22:20
Physics, 04.02.2021 22:30
Mathematics, 04.02.2021 22:30
Mathematics, 04.02.2021 22:30
Mathematics, 04.02.2021 22:30
Mathematics, 04.02.2021 22:30