How large a sample size is necessary

Assignment Help Basic Statistics
Reference no: EM132192985

The Academy of Orthopedic Surgeons gives a survey result that 85% of women wear shoes that are too small for their feet. A researcher wants to be 99% confident that his proportion is within 4% of the true proportion. How large a sample size is necessary?

Reference no: EM132192985

Questions Cloud

Create a class with the given information in the overview : Write an application that simulates adding new books to the Amazon database. Create a class with the given information in the overview section.
State the decision rule and compute the test statistic : At a=0.05, does this sample data indicate a difference from the national proportion? State the decision rule and compute the test statistic.
Write a driver class that maintains lists of students : Write an application in java that models courses, students, and faculty members in a university.
State the hypothesis and the decision rule : At a=0.01, can the inspector claim that the mean weight is less than 16 ounces? State the hypothesis and the decision rule (using the critical value).
How large a sample size is necessary : A researcher wants to be 99% confident that his proportion is within 4% of the true proportion. How large a sample size is necessary?
Write an application that creates variable of type integer : Write an application that creates 2 variable of type integer. Prompt the user to enter two integer values, and assigns each value to one of the variables.
Confidence interval for the true proportion : A survey of 600 women shoppers found that 22% enjoy shopping for shoes. What is the 95% confidence interval for the true proportion of women shoppers who enjoy
Delete a node from arbitrary location in doubly linked list : Insert a node at an arbitrary location in Doubly Linked List. Delete a node from the head of Doubly Linked List Algorithm deleteFromHead(head).
Display the amount that the user needs to save each year : Display the amount that the user needs to save each year until the child turns 18, assuming that no interest is earned on the money.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Natural logarithm transformation

What is the rate of return for a stock fund that produced the following regression results based upon a natural logarithm transformation of Po(1+i)^t to ln(Pt)

  Translate into symbolic notation - industrial pollutants

Translate the following arguments into symbolic notation.- Either industrial pollutants will be more stringently controlled, or acid rain will continue to fall. Industrial pollutants will be more stringently controlled.

  Determine a typical seasonal index

Victor Anderson, the owner of Anderson Belts, Inc., is studying absenteeism among his employees. His workforce is small, consisting of only five employees. Determine a typical seasonal index for each of the four quarters

  What is the chance that the scientists first successful

a scientist attempts to perform a difficult experiment. she is successful in about 80 of her attempts. she attempts the

  Testing a random digit dialing device

Voters Voter registration records show that 41% of voters in a state are registered as Democrats. To test a random digit dialing device, you use it to call 250.

  Use the level of significance in reaching a conclusion

For the following summary table for a one-way ANOVA, fill in the missing items, identify the null and alternative hypotheses, then use the 0.025 level of significance in reaching a conclusion regarding the null hypothesis.

  Interval measurement may be misleading

Explain why a student ranked number one in the class based on interval measurement may be misleading.

  Medicine and clinical studies brigham

Medicine and Clinical Studies Brigham and Women's Hospital reports that approximately 20% of American males and 10% of American females.

  Improve organisational performance

Performance Related Pay (PRP) is the best way to improve organisational performance." please provide some positive/affirmative evidence.

  Determine whether new filtration system could be superior

Given the sample results shown below, use the 0.05 level of significance in determining whether the new filtration system could be superior.

  Use y to form a linear estimate of x1

X is a 3-dimensional random vector with E[X] = 0 and autocorrelation matrix RX with elements

  Use the policy improvement algorithm to find

During any period, a potential customer arrives at a certain facility with probability ½ If there are already two people at the facility (including the one being served), the potential customer leaves the facility immediately and never returns.

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