Mathematics, 13.01.2020 02:31, daustin57

Apolling company has decided to increase the size of its random sample of voters from about 1,000 people to about 2,800 people right before an election. a poll was designed to estimate the proportion of voters who favor a new law banning cell phone use in internet coffee shops. what is the effect of this increase?

a. to reduce the variability of the estimate
b. to increase the variability to the estimate
c. to reduce the bias of the estimate
d. to increase the bias of the estimate
e. this increase will have no effect because the population size is the same

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:40, daijahamaker062816

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Answers: 1

continue

Mathematics, 21.06.2019 20:50, thuzar

Write the equation in logarithmic form 8^x=64

Answers: 1

continue

Mathematics, 21.06.2019 22:10, tiphannyk

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Answers: 2

continue

Mathematics, 21.06.2019 23:00, shmueller1554

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c =

Answers: 3

continue

Do you know the correct answer?

Apolling company has decided to increase the size of its random sample of voters from about 1,000 pe...