Reference no: EM13940029
1. 459 randomly selected light bulbs were tested in a laboratory, 291 lasted more than 500 hours. Find a point estimate of the true proportion of all light bulbs that last more than 500 hours.
2. Find the critical value for zα/2 that corresponds to a degree of confidence of 98%.
3. Find the margin of error for the 95% confidence interval used to estimate the population proportion with n = 163 and x = 96.
4. Construct the confidence interval for question 3.
5. Interpret the confidence interval found in question 4.
6. What are the requirements for a Student's t-distribution?
7. Find the critical value for tα/2 corresponding to n = 12 and 95% confidence level.
8.Use the confidence level and sample data to find the margin of error E.
College students' annual earnings:
99% confidence, n = 81, x- = $3967, s = $874
9. Construct the confidence interval for question 8 above.
10. Interpret the confidence interval found in question 9.
|
Code that sorts the household sizes in ascending order
: The program should allow the user to enter each household size and determine the mean and median household size in Marengo. Need to write the code that sorts the household sizes in ascending order using a bubble sort.
|
|
Display all of the elements of the arraylist
: Once the user does this (hits enter without typing anything), the program will display all of the elements of the ArrayList, both the index and String values, in a table. It will do this via a single loop.
|
|
Identify the objectives of the activity
: 1. Provide a brief description of the activity for which the risk management process will be applied. Be clear and concise, indicating the exact aim of the activity 2. Identify the objectives of the activity (the risk identification exercise in Pa..
|
|
How would you determine reasonable
: Assume that you are the chair of the PGA Rules Committee. Following the Martin decision (PGA Tour,Inc V Martin 531 U.S. 1049 2001), you are charged with reviewing the rules and developing a policy on how to determine reasonable accommodation. What..
|
|
Find the margin of error
: Find the critical value for zα/2 that corresponds to a degree of confidence of 98%. Find the margin of error for the 95% confidence interval used to estimate the population proportion with n = 163 and x = 96
|
|
Proposals using the calculations above to explain
: Jamie Oliver is considering expanding his restaurant trade. He has the following two proposals to consider. A minimum of a 12% return on investment is required from the recommended project.
|
|
Understood from a cbt perspective
: Lee is a university student who comes to counselling because he is very unhappy and considering giving up his place at University. Lee came from China to study in Australia and is finding it difficult to make friends and meet new people, as his fa..
|
|
Compute the contribution margin ratio for the mailboxes
: Compute the contribution margin ratio for the mailboxes. How much revenue must Doerhing earn in order to break even?
|
|
Object-oriented application to manage students
: GPA is calculated using the Quality Point algorithm (each A is worth 4 points, B - 3, C - 2, D - 1, F - 0; Find the sum of that value times the number of credits for all courses, then divide by the total number of credits.).
|