Mathematics, 30.01.2021 14:00 LukeneedhelpInMath

A music industry researcher wants to estimate, with a 90% confidence level, the proportion of young urban people (ages 21 to 35 years) who go to at least 3 concerts a year. Previous studies show that 21% of those people (21 to 35 year olds) interviewed go to at least 3 concerts a year. The researcher wants to be accurate within 1% of the true proportion. Find the minimum sample size necessary.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:20, damonsmith201615

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Answers: 3

continue

Mathematics, 22.06.2019 01:00, NNopeNNopeNNope

Bc and bd are opposite rays. all of the following are true except a)a, b,c, d are collinear b)a, b,c, d are coplanar c)bc=bd d)b is between c and d

Answers: 1

continue

Mathematics, 22.06.2019 02:00, BeenPaidGLO

Aflagpole broke in a storm. 77 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 2424 24 meters away horizontally

Answers: 1

continue

Mathematics, 22.06.2019 02:20, kelseybell5522

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !

Answers: 2

continue

You know the right answer?

A music industry researcher wants to estimate, with a 90% confidence level, the proportion of young...