Mathematics, 24.04.2020 18:30 KoolCatz

A certain region would like to estimate the proportion of voters who intend to participate in upcoming elections. A pilot sample of 50 voters found that 39 of them intended to vote in the election. Determine the additional number of voters that need to be sampled to construct a 91% interval with a margin of error equal to 0.07 to estimate the proportion.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 14:00, jess4kids

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Answers: 3

continue

Mathematics, 21.06.2019 19:00, mayalp

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Answers: 2

continue

Mathematics, 21.06.2019 21:00, noahdwilke

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

Answers: 1

continue

Mathematics, 22.06.2019 02:00, Gennn43

Bag a contains 3 white marveled and 2 marbles bag b contains 6 white marbles and 3 red marbles a person draws one marbles from each bag find the probability that both marbles are white

Answers: 1

continue

You know the right answer?

A certain region would like to estimate the proportion of voters who intend to participate in upcomi...