Mathematics, 08.02.2021 23:50 keke4257

A polling company is trying to estimate the percentage of adults that consider themselves happy. A confidence interval based on a sample size of 180 has a larger than desired margin of error. The company wants to conduct another poll and obtain another confidence interval of the same level but reduce the error to one-third the size of the original sample. How many adults should they now interview

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:30, alleahbethea199

Divide. write in the simplest form. 4 1/6 divided by 10

Answers: 2

continue

Mathematics, 21.06.2019 21:10, halimomohamed

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

Answers: 2

continue

Mathematics, 22.06.2019 00:00, valenciadewalt25

As a salesperson you get $50/day and $3.60/each sales you make. if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.

Answers: 1

continue

Mathematics, 22.06.2019 01:00, kat1357

You have just applied, and have been approved for a $58,000 mortgage. the rate quoted to you by the lender is 6.1% for a 30 year fixed mortgage. determine how much of your third month’s payment goes towards the principal. $56.65 $56.93 $57.22 $57.51

Answers: 2

continue

You know the right answer?

A polling company is trying to estimate the percentage of adults that consider themselves happy. A c...