The average time spent by construction workers who work on weekends is 7.93 hours (over 2 days).

Question:

The average time spent by construction workers who work on weekends is 7.93 hours (over 2 days). Assume the distribution is approximately normal and has a standard deviation of 0.8 hour.

a. Find the probability that an individual who works at that trade works fewer than 8 hours on the weekend.

b. If a sample of 40 construction workers is randomly selected, find the probability that the mean of the sample will be less than 8 hours.

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

Step by Step Answer:

Related Book For book-img-for-question

Elementary Statistics A Step By Step Approach

ISBN: 9781260360653

11th Edition

Authors: Allan Bluman

See More Books

Question Posted: May 08, 2024 10:01 AM

See More Questions

The Loop and Butterfly subdivision schemes can both operate on triangular meshes, in which all of the polygons have three sides. Both schemes subdivide the mesh by introducing new vertices at the...
Which solution is adopted by Ethernet and what measures are taken to ensure stability in circumstances of high load? [4 marks] 1 [TURN OVER CST.93.5.2 4 Graphics I A certain image contains a number Q...
Managing Scope Changes Case Study Scope changes on a project can occur regardless of how well the project is planned or executed. Scope changes can be the result of something that was omitted during...
Vicky's income for 2020-21 consists of her UK salary of 50,270 and rents from overseas property (net of 30% withholding tax) of 3,500. Vicky is UK resident in 2020-21 and she is not a Scottish...
On July 1, the cash account balance was $37,450. During July, cash payments totaled $115,860 and the July 31 balance was $29,600. Determine the cash receipts during July.
The U.S. Department of Agriculture publishes data annually on various selected farm products. Shown here are the unit production figures (in millions of bushels) for three farm products for 10 years...
Assume you had to serve a complaint on a defendant in Los Angeles, California. Find a company that would be available for service of process.
Mercy Hospital has the following balances on December 31, 2021, before any adjustment: Accounts Receivable = $70,000; Allowance for Uncollectible Accounts = $1,400 (credit). Mercy estimates...
There is a European and an American put on the same non-dividend paying stock today. Both put options have the same strike price of 5,000 and the same expiration date of October 28, 2021. The...
It has been reported that last year $25 \%$ of drivers have fallen asleep at the wheel. If 200 drivers are selected at random, find the probability that 62 will say that they have fallen asleep...
A recent study found that an American skips breakfast on average 50 times a year. Assume the standard deviation is 4. If a random sample of 36 Americans is selected, find the probability that the...
Could tear-down methods be used effectively for target pricing in a service-industry company, such as a hotel or an airline? Explain.
INSTRUCTIONS Deploy the C# Website to PORT 8100 on you IIS Server. Step 1. Add website to IIS Step 2. Unzip the project in the deployment directory Step 3. Go to page on your IIS to view the running...
Discuss common attack vectors in operating systems, such as buffer overflows and privilege escalation. What techniques can be employed at the operating system level to mitigate these risks ?
CASE 12.2 Parker v. Twentieth Century-Fox Film Corp. Supreme Court of California, 1970. 3 Cal.3d 176, 474 P.2d 689, 89 Cal.Rptr. 737. GREAT THE SEAL OF EUREKA CALIFORNIA THE TE OF FACTS Twentieth...
Review the five steps of the Monroe Motivated Sequence persuasive technique. Tell about a time when you used this technique or when you observed someone else using this technique (other than for our...
Question: a. Calculate Daniels total employment income for the fiscal year 2021/22. Also show any benefits he has received that do not require a tax adjustment\ b. Calculate Daniels income tax...
A contact lens is made of plastic with an index of refraction of 1.50. The lens has an outer radius of curvature of +2.00 cm and an inner radius of curvature of +2.50 cm. What is the focal length of...
All of the following assets can be depreciated, except: (a) A bulldozer (b) A copper mine (c) A surgical robot (d) A conveyor belt
Aqua Ltd is a manufacturing company and its financial year - end is 3 1 December 2 0 2 3 . The following details are available relating to its fixed property: a . Aqua Ltd acquired land, with an...
Labeau Products, Limited, of Perth, Australia, has $20,000 to invest. The company is trying to decide between two alternative uses for the funds as follows: Investment required Annual cash inflows...
On 1 March 2023, the beginning of the financial year, the following balances appeared in the financial records of Manzini Ltd: Dr Cr Machinery at cost Accumulated depreciation: Machinery 38 000 200...

The average time spent by construction workers who work on weekends is 7.93 hours (over 2 days).

Question:

Step by Step Answer:

Solution a Step 1 Draw a normal distribution and shade the desired area Since the question concerns ...View the full answer

Elementary Statistics A Step By Step Approach

Students also viewed these Statistics questions