Probability sample proportion is within plus-minus value

beplay体育怎么安装基本统计信息
Reference no: EM13157282

Assume the population proportion is p = .25.

1. Calculate () with a sample size of 1,200 flights (to 4 decimals).

2. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 1,200 is selected (to 4 decimals)?

3. What is the probability that the sample proportion will be within +/- .03 of the population proportion if a sample of size 600 is selected (to 4 decimals)?

Reference no: EM13157282

Previous Q& A

Discuss signs and magnitudes of the estimated coefficients

Discuss the signs and magnitudes of the estimated coefficients and their comparisons to predicted or theoretical signs and magnitudes. What have we learned?

Define isoelectronic solid

Consider the zinc atoms of ZnSe. With what pairs of atoms could the Zn be replaced to make another isoelectronic solid

Why are anaerobic sulfate-reducing important

Why are anaerobic sulfate-reducing or metal-reducing prokaryotes important in bioremediation study?

Amount reported for the operating expenses

During 2010, Burlington Company incurred operating expenses amounting to $600,000, of which $550,000 was paid in cash; the balance will be paid in January 2011. On the 2010 income statement of the company, what amount should be reported for operat..

Define moles of acetone

What is the vapor pressure of a solution which contains 0.550 moles of acetonitrile and 0.350 moles of acetone? Assume the mixture behaves as an ideal solution.

How many registered voters should be sampled

The representative received 40 percent of the popular vote in that area of the state. She doubts whether it has changed much. How many registered voters should be sampled?

What effect would the change have on the average wages

what effect would this change have on the wages in the two markets you illustrated in part (a)? what effect would the change have on the average wages of men and women?

Statements with dollar amounts

Based on the information above, Complete the following statements with dollar amounts:

Find value of standard error of mean size is infinite

Suppose a simple random sample of size 43 is selected from a population with = 11. Find the value of the standard error of the mean in each of the following cases.

What will happen to the value of the dollar

what will happen to the value of the dollar? Use the demand-supply model of the dollar to explain. sales of luxury cars will decrease.

Reviews

Write a Review

Similar Q& A

What is minimum score to qualify child for programs

Typically, these children must have IQ scores in the top 5%. What is the minimum score to qualify a child for these programs?

Determining time series models

Is it true that one of the important properties of time series models is that some sort of pattern in the data over time should be detected first and then used within the model?

Find the explanatory variable in this study

The researchers planned to use simple linear regression to see if the age at which a baby was first able to crawl could be predicted from the average outdoor temperature six months after each baby's birthdate.

Create linear program to find number of hours

Formulate a linear program that can be used to determine the number of hours each graphic designer should be assigned to the project in order to minimize total cost. What is the total cost?

Elucidate the mean and standard deviation

Illustrate what can we say about the probability distribution. Is it approximately normal, elucidate the mean and standard deviation.

Sum of deviations of the observations

Suppose we have observations x1, x2, . . . , xn. Prove that the sum of deviations of the observations from their arithmetic mean is always equal to zero.

Five-step hypothesis test for xyz corporation

The new director of special programs in XYZ Corporation felt the customers were waiting too long to receive and complete forms needed to enroll in special programs.

Show p-value for testing for the mean score in state

Since over 10,000 students in his state took the Math SAT, he can show that the P-value for testing whether the mean score in his state is more than the national average of 480 is less than 0.0001. What we can conclude from this?

Probability-eight people considers themselves baseball fans

Find the probability that the number who considers themselves baseball fans is (a) exactly eight (b)at least eight and (c) less than eight. If possible use technology to find the probabilities.

Probability that mean daily revenue will be of given value

每日收入总额在接下来的30天be monitored. What is the probability that the mean daily revenue for the next 30 days will be between $7000 and $7500?

Forecasted value through exponential smoothing method

Use simple exponential smoothing with α = 0.3 to forecast battery sales for February through May. Assume that the forecast for January was for 22 batteries.

Point estimatuion of the population mean

The response of the GSS question in 2006 about the number of hours daily spent watching TV, the responses by the seven subjects who identified themselves as Hindus were 2,3,2,1,0,1,4,3. find a point estimate of the population mean for Hindus. The ..

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!

beplay安卓下载

Baidu