Sample for a given confidence interval

Assignment Help Basic Statistics
Reference no: EM13106307

I have a problem that wants to know the sample size of Illinois republican voters, they want to know the sample size with 95% confidence and 3% margin of error, not sure how to get started.

Reference no: EM13106307

Questions Cloud

What are the magnitudes of the normal force : A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
Normal distribution-population proportions : Assume that the population proportions are to be estimated from the samples described. Find the margin of error and the 95% confidence interval.
Calculate the ratio of the electric potential at the surface : Consider two isolated, charged conducting spheres: a large sphere and a second smaller sphere with a radius 8 times smaller than that of the large sphere, but with 4 times as much charge.
Estimation of economic order quantity : Given the following data for a particular inventory item: Usage 500 units/week Ordering $40 per order Carrying Cost $.01 per unit per week Lead Time 3 weeks Price $.50 per unit
Sample for a given confidence interval : I have a problem that wants to know the sample size of Illinois republican voters, they want to know the sample size with 95% confidence and 3% margin of error, not sure how to get started.
Determine the effective purchasing power : Fourteen years ago, the U.S. Aluminum Corporation borrowed $9.9 million. Since then, cumulative inflation has been 98 percent (a compound rate of approximately 5 percent per year).
What is the current through resistor r2 : The three resistors are identical with R1 = R2 = R3= 160 ?, and the battery voltage is 50 V. What is the current through resistor R2? R2 and R3 are parallel so these need to be treated with R1 as Requiv = R1+ (R2*R3)/R2+R3 but don't know where to ..
What is the average current : When a nerve cell depolarizes, charge is transferred across the cell membrane, changing the potential difference. For a typical nerve cell, 9.0 pC of charge flows in a time of 0.50ms . 1. What is the average current? Express your answer to two sig..
Recognize types of control mechanisms-microsoft organization : Recognize four types of control mechanisms (ways controls are applied) used in Microsoft organization. Distniguish these control mechanisms.

Reviews

Write a Review

Basic Statistics Questions & Answers

  The explanatory variable which is a measure of neighborhood

The explanatory variable which is a measure of neighborhood socio-economic status variable RFM. Response variable is percent (%) of bicycle riders that wears a helmet.

  Mcq of multivariate statistics

Regression model results can be erroneous if multicollinearity is an issue. What causes multicollinearity? If the intercept is statistically significant, what does this tell you?

  Significance of the difference between two groups

When groups are more alike than different, ANOVA assesses the significance of the difference between two groups. When groups are unalike, will findings be more significant?

  Determining quadratic regression model for per capita

Let independent variable x represent years since 1950. Determine quadratic regression model for per capita cigarette consumption.

  Using spss to make a scatterplot between stress and coping

Use SPSS to make a scatterplot between stress and coping, and then add the fitted regression line to the plot. Mark both intercept and slope on the plot (You may consider to change the default X scale in SPSS)

  Calculating confidence interval estimate for true mean

A snack food manufacturer selected a sample of 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and the sample standard deviation is 0.15

  Question on anova in minitab

Samples are shown of volatility (coefficient of variation) for sector stocks over a certain period of time.

  Mcqs-uniform probability

It takes between 6 to 7.5 hours to drive from Panama City to Boquete, and the drive time is uniformly distributed.

  Confidence interval for the average waiting time

A sample of 16 patients in a doctors office showed that they had to wait an average of 43 minutes with a standard deviation of 8 minutes before they could see doctor. Provide a 99% confidence interval for the average waiting time for all of the pa..

  Prediction of sat by regression approch

The correlation between IQ and the verbal SAT score among the seniors at GWB High School is .90; it is significant. The mean IQ is 100 with a standard deviation of 10.

  Anaphylactic shock reaction to immunization injections

Primary healthcare workers believe that anaphylactic shock reaction to immunization injections occurs with children in one case in two thousand.

  Determine strong negative and strong positive correlation

What is the difference between strong negative and strong positive correlation? What does zero correlation tell you? Can you share a relationship between two variables that is typically negative?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd