Mathematics, 11.02.2020 20:03 madisonwr

A philanthropic organization knows that its donors have an average age near 60 and is considering taking out an ad in the Canadian Association of Retired People (CARP) magazine. An analyst wonders what proportion of their donors are actually 50 years old or older. He takes a random sample of the records of 467 donors and found that 300 were actually 50 years old or older. Construct a 95% confidence interval for the proportion of donors who are 50 years old or older.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:00, casting479

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Answers: 1

continue

Mathematics, 21.06.2019 20:00, haileyhale5

What are the domain and range of the function f(x)=2^x+1

Answers: 1

continue

Mathematics, 21.06.2019 23:00, jayjay2006

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Answers: 1

continue

Mathematics, 21.06.2019 23:30, aherrerasmile1

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Answers: 1

continue

You know the right answer?

A philanthropic organization knows that its donors have an average age near 60 and is considering ta...