Homework Answers
Add Answer to:
6. Find the sample size needed to estimate the percentage of adults who have consulted fortune...
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune...
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.07 margin of error, use a confidence level of 90%, and use results from a prior poll suggesting that 17% of adults have consulted fortune tellers. n =
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune...
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tollers. Use a 0.02 margin of error, use a confidence level of 90%, and use results from a prior poll suggesting that 16% of adults have consulted fortune tellers. n= (Round up to the nearest integer.)
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune...
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tellers. Use a 0.04 margin of error, use a confidence level of 98% and use results from a prior poll suggesting that 11% of adults have consulted fortune tellers. A student wants to estimate the mean score of all college students for a particular exam. First use the range rule of thumb to make a rough estimate of the standard deviation of those scores....
In order to estimate the mean amount of time computer users spend on the internet each​...
In order to estimate the mean amount of time computer users spend on the internet each​ month, how many computer users must be surveyed in order to be 90​% confident that your sample mean is within 14 minutes of the population​ mean? Assume that the standard deviation of the population of monthly time spent on the internet is 198 min. The minimum sample size required is_______computer users. Many states are carefully considering steps that would help them collect sales taxes...
Find the sample size needed to estimate the percentage of democrats among registered voters in Florida....
Find the sample size needed to estimate the percentage of democrats among registered voters in Florida. Use a 0.01 margin of error, and use a confidence level of 96% and assume p=0.55
1. Find the sample size needed to estimate the proportion of houses that have security systems...
1. Find the sample size needed to estimate the proportion of houses that have security systems if the sample proportion h = 0.19, the margin of error is 0.02, and the confidence level is 90%. 2. Suppose that in a random sample of 50 adults, 41 were registered to vote. Construct a 95% confidence level interval for the population proportion of registered voters.
A researcher wishes to estimate the percentage of adults who support abolishing the penny. what size...
A researcher wishes to estimate the percentage of adults who
support abolishing the penny. what size sample should be obtained
if he wishes the estimate to be within 4 percentage points with 90%
confidence if:
a.) he uses previous estimate of 28%
b.) he does not use any prior estimates?
c a Arenewcher wishes to estimate the percentage of adults who support abolishing the penny Whatsze sample should be obtained if he wishes the estimate to be within 4 percentage...
A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size...
A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 55 percentage points with 99% confidence if (a) he uses a previous estimate of 38%? (b) he does not use any prior estimates?
A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size...
A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be obtained if she wishes the estimate to be within 0.03 with 90% confidence if (a) she uses a previous estimate of 0.58? (b) she does not use any prior estimates?
Hays Medical Center wants to estimate the percentage of adults who exercise at least 1 hour...
Hays Medical Center wants to estimate the percentage of adults who exercise at least 1 hour per week. How large a sample should be selected in order to estimate this proportion with a 90% confidence level and a margin of error of at most 5%? (Assume no preliminary estimate of p-hat is available.)
Find the sample size, n, needed to estimate the percentage of adults who have consulted fortune tollers. Use a 0.02 margin of error, use a confidence level of 90%, and use results from a prior poll suggesting that 16% of adults have consulted fortune tellers. n= (Round up to the nearest integer.)
1. Find the sample size needed to estimate the proportion of houses that have security systems if the sample proportion h = 0.19, the margin of error is 0.02, and the confidence level is 90%. 2. Suppose that in a random sample of 50 adults, 41 were registered to vote. Construct a 95% confidence level interval for the population proportion of registered voters.
A researcher wishes to estimate the percentage of adults who
support abolishing the penny. what size sample should be obtained
if he wishes the estimate to be within 4 percentage points with 90%
confidence if:
a.) he uses previous estimate of 28%
b.) he does not use any prior estimates?
c a Arenewcher wishes to estimate the percentage of adults who support abolishing the penny Whatsze sample should be obtained if he wishes the estimate to be within 4 percentage...
Most questions answered within 3 hours.
-
Research predefined java packages. Select 2 packages and
describe what they provide. Explain briefly what type...
asked 2 minutes ago -
A fair 9-sided die is tossed. Find P(4
or at least 5). That is, find the...
asked 10 minutes ago -
Part of an ANOVA table is shown below.
Source of
Variation
Sum of
Squares
Degrees
of...
asked 21 minutes ago -
The activation energy for the decomposition of N2O4 is 57.2.
kJ/mol. If the rate constant for...
asked 32 minutes ago -
The structure and function of a neuron
Ion channels, ion flow, and membrane potential changes...
asked 31 minutes ago -
Calculate the pH of a 0.982 M solution of hydrogen sulfide (H2S)
Where: H2S (aq) ->...
asked 30 minutes ago -
The table shows population statistics for the ages of Best Actor
and Best Supporting Actor winners...
asked 35 minutes ago -
In the following table the activities with their precedence
sequence and expected time (days) are listed...
asked 47 minutes ago -
Suppose the local market for legal services has an upward
sloping supply curve, PL = 150...
asked 52 minutes ago -
1.) Sodium oxalate, Na2C2O4, in solution is oxidized to CO2(g)
by MnO−4 which is reduced to...
asked 54 minutes ago -
PLeases give your response to the following statements below!
1& 2 seperately
1. Bullying is a...
asked 53 minutes ago -
I need help convincing my wife that it is within reason I should
expect to spend...
asked 1 hour ago