subject
Mathematics, 30.03.2020 16:54 romyknight

A confidence interval was used to estimate the proportion of statistics students who are female. A random sample of 72 statistics students generated the following 90% confidence interval: (0.438, 0.642). Using this information, what total size sample would be necessary if we wanted to estimate the true proportion to within 0.08 using 95% confidence?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 20:30
A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.
Answers: 3
question
Mathematics, 21.06.2019 21:30
One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?
Answers: 1
question
Mathematics, 21.06.2019 22:00
Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
Answers: 1
question
Mathematics, 21.06.2019 23:30
The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7
Answers: 2
You know the right answer?
A confidence interval was used to estimate the proportion of statistics students who are female. A r...
Questions
question
Spanish, 31.01.2021 14:00
question
Mathematics, 31.01.2021 14:00
question
English, 31.01.2021 14:00
question
Social Studies, 31.01.2021 14:00
question
Mathematics, 31.01.2021 14:00