Calculating p-hat from confidence interval

Assignment Help Basic Statistics
Reference no: EM13106184

The following confidence interval is obtained for a population proportion, p:(0.458, 0.490). Use these confidence interval limits to find the point estimate, p-hat.

Reference no: EM13106184

Questions Cloud

Drawing inference from large samples : Computing from a large sample, one finds the 95% confidence interval for 956; to be {6.8, 14.2}. Based on this information alone, determine the 90% confidence interval for 956
What is the distance between the particles : Two small particles have charges Q1 = +2.5 C and Q2 = 5.5 C. If the magnitude of the electric force between the particles is 110 N, what is the distance between the particles?
Estimated proportion defective : Schadek Silkscreen Printing, Inc. purchases plastic cups on which to print logos for sporting events, proms, birthdays, and other special occasions. What is the estimated proportion defective in the population?
What is the force exerted by q2 on q1 : A point charge with q1 = +1.9 C is located at x = ?3.0 m, y = 0, and a second point charge with q2 = +6.5 C is at x = +1.0 m, y = +2.0 m. (a) What is the force exerted by q1 on q2? magnitude N direction ° counterclockwise from the +x-axis (b) What..
Calculating p-hat from confidence interval : The following confidence interval is obtained for a population proportion, p:(0.458, 0.490). Use these confidence interval limits to find the point estimate, p-hat.
Recognize political-linguistic-economic of latino groups : Write down 1,200- to 1,500-word research paper in which you recognize political, linguistic, economic, social, religious, and familial conventions or statuses of four Latino groups living in United States.
Confidence level and sample data : Use the confidence level and sample data to find a confidence interval for estimating the population mean m.
Draw an activity on node network : A project consists of activities A, B, C, D, E, F, and G. The precedence relationships and the estimated times to complete each activity are given below: Activity Preceding Activity Estimated Time.
Find the electric field in the region between the plates : Consider two closely spaced and oppositely charged parallel metal plates. The plates are square with sides of length L and carry charges Q and -Q on their facing surfaces. What is the magnitude of the electric field in the region between the plate..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine sample size to conduct a follow-up study

To conduct a follow-up study that would provide 95% confidence that the point estimate is correct to within plus-or-minus 0.04 of the population proportion, how large a sample size is required?

  Chi-square goodness-of-fit test for observed frequency

In chi-square goodness-of-fit test when there is close agreement between observed frequency and expected frequency, chi-square test value will be small.

  Bivariate density function-computation of moments

Random variables x and y have the joint density function. Find the value of the constant a

  Determining forecasting simulation

The number of cars arriving at Joe Kelly's oil change and tune-up place during the last 200 hours of operation is observed to be the following.

  Measure of dispersion for given data

The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.

  Normal probability-men average weight

Data from a National Health Survey show that men's average weight is normally distributed with a mean of 172 pounds and a standard deviation of 29 pounds.

  Explaining strong negative correlation

When calculating correlation coefficient, what does a value of -2 indicate? Strong negative correlation, Weak negative correlation.

  Find the probability for uniform distribution

A manager of a large department store with three floors reports that the time a customer on the second floor must wait for an elevator has a uniform distribution ranging from 0 to 16 minutes. It takes the elevator 1 minute to go from floor to floo..

  Probability and normal distribution

If the mean times for both George and Julia are actually the same, what is the probability that George will be let go?

  Probability-fatal accident

Suppose that the probability is 1 in 3,900,000 that a single auto trip in the U.S. would result in the death of the driver. Over a lifetime, an average U.S. driver takes 50,000 trips.

  Question on mean and variance

What is the approximate probability that the combined weight of 25 items exceeds 445 ounces? What theorem is useful in answering this question?

  Sampling variability

A simple random sample of 1000 Americans found that 61% were satisfied with the service provided by the dealer from which they bought their car.

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