The time for a professor to grade an exam is normally distributed with a mean of 16.3

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

Question:

The time for a professor to grade an exam is normally distributed with a mean of 16.3 minutes and a standard deviation of 4.2 minutes. The interval around the mean that contains 68% of the times needed to grade exams is ________.

Related Book For answer-question

Business Statistics For Contemporary Decision Making

ISBN: 9781119577621

3rd Canadian Edition

Authors: Ken Black, Ignacio Castillo

See More Books

Posted Date: Oct 05, 2023 07:11 AM

See More Questions

The time needed to complete a final examination in a particular college course is normally distributed with a mean of 77 minutes and a standard deviation of 12 minutes. Answer the following...
Time needed to find a parking space is normally distributed with a mean of 22 minutes and a standard deviation of 5.42 minutes. 90% of the time, it takes less than how many minutes to find a parking...
A local diner is interested in understanding the flow of customers (5 pm to 9 pm). Customers arrive in parties of 1 or 2 with probabilities 0.4, and 0.6, respectively. The time between arrivals is...
Direct Materials Budget The MSC Company has anticipated its unit sales for the first half of 2022 as follows: 2022 Units January 12,000 February 14,000 March 15,000 16,000 17,000 18,000 April May...
Garfield Company purchased, as an available-for-sale securities, $80,000 of the 9%, 5-year bonds of Chester Corporation for $74,086, which provides an 11% return. Prepare Garfield's journal entries...
The area under a density curve that lies to the left of 60 is 0.364. What percentage of all possible observations of the variable are a. Less than 60? b. At least 60?
Column 3 of the file "d-hwp3dx8099.dat" contains the daily log returns of the CRSP equal-weighted index from January 1980 to December 1999. - Build an AR model for the series and check the fitted...
Moore Wholesalers is preparing its merchandise purchases budget. Budgeted sales are $400,000 for April and $475,000 for May. Cost of goods sold is expected to be 60% of sales. The companys desired...
Find average velocity for points 1,6) (1,5)(1,4)(1,1+h) where h >0 Irk Section 2.1122 Question 3, 2.1.13 HW Score: 7.14%, 3 of 42 points Its) ' Pa10l4 ' 0 Points: 0 of3 16 The position at an object...
An army division in Iraq has five troop encampments in the desert, and the division leaders want to determine the best location for a supply depot to serve the camps. The (x, y) coordinates (in...
< Question 5, E2-46B (similar to) Part 4 of 7 HW Score: 98.13%, 14.72 of 15 points Points: 2.72 of Save Best-Cola spends $3 on direct materials, direct labor, and variable manufacturing overhead for...
Here are comparative financial statement data for Sheridan Company and Karen Company, two competitors. All data are as of December 31, 2022, and December 31, 2021. Sheridan Company Karen Company 2022...
1. Use asymptotic equality to compute the limit lim (3n+4)(n-2) > (2n+3)(2n+1)* Write out the asymptotics that you are using separately. 2. Use asymptotic equality (~) to compute the limit lim...
8. Explain the difference between legislation and common law and provide one (1) example of legislation (using the correct naming convention) and one (1) example of a common law principle. The...
Zipp Company manufactures two products (X and Y). The overhead costs (90,000) have been divided into three cost pools: setups 30,000; machining 30,000; ordering 30,000. Product X had 5 setups, 1000...
follow the template instructions to run an experiment to find the factors that optimize the output. Post a description of what you found, and attach to your post a copy of your template findings?...
SYS AS OF Solving a percent mixture problem using a... 075 A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 9% vinegar, and the se brand contains 12%...
You are a U.S. investor who purchased British securities for 2,000 one year ago when the British pound cost U.S. $1.50. What is your total return (based on U.S. dollars) if the value of the...
Initial public offerings (IPOs) can be a risky investment; thus, in an IPO, the issuer may obtain the assistance of an underwriting firm. Shown here is a list of the top five Canadian underwriting...
1. The null hypothesis is denoted by __________, while the alternative hypothesis is denoted by __________. 2. Explain what rejection and nonrejection regions are and how they relate to hypothesis...
Ceapro is an Edmonton-based biotechnology company known for turning oats into beneficial products. Ceapro is the worlds only commercial manufacturer of avenanthramides, a group of therapeutic...
Labor mix and yield variances The Bloomington Park Department plans to offer free swimming lessons to children under 14 years of age who want them. The manager of the department estimates that 6,000...
Material mix and yield variance with shrinkage The Mercantile Solvents Company makes X-Myer-K, a powerful rust remover. The standard material mix calls for 80 gallons of XZ-Ote at $1.25 per gallon...
Material and labor variance analysis A plant food, called Flower-Bloom, is made by the Ari F. Horticultural Company. The product is manufactured in 50-ton batches and sold in bulk to another company...

The time for a professor to grade an exam is normally distributed with a mean of 16.3

Question:

Expert Answer:

In a normal distribution approximately 68 of the data fal... View the full answer

Business Statistics For Contemporary Decision Making

Students also viewed these economics questions