Sample size to estimate the population proportion

Assignment Help Basic Statistics
Reference no: EM1315209

What sample size would be needed to estimate the true proportion of students at your college (if you are a student) who are wearing backpacks, with 95 percent confidence and an error of ± 0.04?

Reference no: EM1315209

Questions Cloud

Find a maximum value of the acceleration : Dan is gliding on his skateboard at 4 m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6 m/s (as measured by an observer on the ground). Dan's mass is 50 kg and the skateboard's mass is 7 kg. How fast is Dan going..
Figure the profit maximizing quantity for monopolist : Determine the profit-maximizing quantity for a monopolist. You can ask the firm's to draw the firm's revenue and cost curves
Total costs many companies are now replacing paychecks : In an effort to reduce their total costs many companies are now replacing paychecks with payroll cards
What is the rotational velocity of the ring : Three charged particles are placed at corners of an equilateral triangle of side 1.20m. The charges are + 7.0 mc,-8.0 mc and -6.0 mc compute the magnitude and direction of the net force on each due to the other two.
Sample size to estimate the population proportion : What sample size would be needed to estimate the true proportion of students at your college
Optimum level of production and price level : Find out the optional number of units to put in a package. How much should the firm charge for this package?
Find the distance of the ship from the lighthouse : Find the distance of the ship from the lighthouse.
Winemakers in the state of indiana petitioned : Assume which winemakers in the state of Indiana petitioned the state government to tax wines imported from other states.
The bullet strikes a block of wood and penetrates to a depth : A 5,000 kg satellite is orbiting the Earth in a circular path. The height of the satellite above the surface of the Earth is 800km. The velocity of the satellite is (Me = 5.98 x 10^24 kg, Re = 6.37 x 10^6 m, G = 6.67 x 10-11 N • m2/kg2)

Reviews

Write a Review

Basic Statistics Questions & Answers

  Computing the correlation coefficient

The main goal of correlation research is ______________

  Number of consumer complaints against u.s. airlines

Data in table represent number of consumer complaints against major U.S. airlines. If one complaint from table is arbitrarily chosen, determine the probability that it was filed against United Airlines.

  Hypothesis test for single factor-anova

Complete the table and answer the following questions. Use the .05 significance level.

  Testing and determining sample size to obtain power

Compute β-error of test in part (a) if true difference in mean burning rate is 2.5 centimeters per second.

  Confidence interval for the iron concentration

Determine a 95 % confidence interval for the iron concentration.

  Hypotheses for single proportion

Write the null and alternative hypotheses you would use to test the following situation.

  Determine if the improvement is of practical significance

determine if the improvement is of practical significance one should. Crop researchers plant 100 plots with a new variety of corn. The average yield for these plots is x' = 130 bushels per acre

  Overall sampling error in the entire distribution

One measure of the overall sampling error in the entire distribution of sample means is the

  Hypothesis test-one sample mean

Test the claim that for the adult population of one town, the mean annual salary is given by μ = $30,000.

  Continuous random variable

X is a continuous random variable uniformly distributed on [20, 45] that is, the end points c = 20 and d = 45.

  Normal frequency distribution

In a normal frequency distribution, 32% of the cases:

  Distribution of data

Part 1. What is the appropriate distribution for such data? Part 2. Is this lot anomalous?

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