The results of a national survey showed that on average adults sleep 6.9 hours per night. Suppose

Question:

The results of a national survey showed that on average adults sleep 6.9 hours per night. Suppose that the standard deviation is 1.2 hours and that the number of hours of sleep follows a bell-shaped distribution.

a. Use the empirical rule to calculate the percentage of individuals who sleep between 4.5 and 9.3 hours per day.

b. What is the z-score for an adult who sleeps 8 hours per night?

c. What is the z-score for an adult who sleeps 6 hours per night?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Business Analytics

ISBN: 9780357902219

5th Edition

Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann

See More Books

Question Posted: Apr 27, 2024 09:00 AM

See More Questions

Write an answer on "Considering the ethical implications of selling Apple iPhones in domestic or foreign markets, write a brief ethics statement that captures how Apple's iPhone brand and product...
Solve the following equation where t=20 T = 75 + (430 - 75) e^(-0.0504t)
Suppose that 10 employees are to be divided among 3 job assignments, with 3 going to job I, 4 going to job II, 6 going to job III, and 2 going to job IV. Suppose that job I is the least favorite...
What were the worst mistakes made by Globestelle during the production development process ? CASE 15 Case date 2001 The Reltex Project Nigel Slack Globestelle is the world's largest precision...
When is revenue typically recognized under accrual basis accounting?
Auto Detail Company manufactures two basic types of products: vinyl and metallic adhesive backed striping used by automobile manufacturers. The company traditionally has allocated manufacturing...
Describe the three characteristic processes exhibited by SOMs such as Kohonen networks. What differentiates Kohonen networks from other SOM models?
A study by Becker Associates, a San Diego travel consultant, found that 30% of the traveling public said that their flight selections are influenced by perceptions of airline safety. Thirty-nine...
The graph on the left is the Actual results, while the bigger graph on the right is the standards I dont need the part with the multiple choice. Thank you! There is nothing blurry about it, I can see...
The Graduate Management Admission Test (GMAT) is a standardized exam used by many universities as part of the assessment for admission to graduate study in business. The average GMAT score is 547...
Return to the waiting times given for the physicians office in Problem 20. a. Considering only offices without a wait-tracking system, what is the z-score for the 10th patient in the sample (wait...
John is taking Liberal Arts Mathematics during the fall semester. Indicate whether the statement is a simple statement or a compound statement. If it is a compound statement, indicate whether it is a...
5.Descibe the HSI color image model 6. Describe the basic relationship between the pixels
1. What is the need for transform? 2. What is Image Transform? 3. What are the applications of transform? 4. Give the Conditions for perfect transform . 5. What are the properties of unitary...
6. Define Fourier transform pair 7. Define Fourier spectrum and spectral density 8. Give the relation for 1-D discrete Fourier transform pair 9. Specify the properties of 2D Fourier transform. 10....
16. What is wrap around error? 17. Give the formula for correlation of 1D continuous function. 18. What are the properties of Haar transform. 19. What are the Properties of Slant transform 20....
21. Define fast Walsh transform. 22. Give the relation for 1-D DCT. 23. Write slant transform matrix SN. 24. Define Haar transform. 25. Define K-L transform. 26. Give the equation for singular value...
For each level of precision, find the required sample size to estimate the mean starting salary for a new CPA with 95 percent confidence, assuming a population standard deviation of $7,500 (same as...
If M = 7, s = 2, and X = 9.5, what is z?
3. The nominal interest rate compounded monthly when your $7,000 becomes $11,700 in eight years is ________
An investor can design a risky portfolio based on two stocks, A and B. Stock A has an expected return of 21% and a standard deviation of return of 39%. Stock B has an expected return of 14% and a...
Advanced Small Business Certifica Drag and Drop the highlighted items into the correct boxes depending on whether they increase or decrease Alex's stock basis. Note your answers- you'll need them for...

The results of a national survey showed that on average adults sleep 6.9 hours per night. Suppose

Question:

Step by Step Answer:

Business Analytics

Students also viewed these Business questions