If Professor Laurie Macdonald takes 15 minutes to grade the first exam and follows an 80% learning curve, how long
will it take her:
a) to grade the 25th exam?
b) to grade the first 10 exams?
If Professor Laurie Macdonald takes 15 minutes to grade the first exam and follows an 80%...
C ++ . In professor Maximillian’s course, each student takes four exams. A student’s letter grade is determined by first calculating her weighted average as follows: (score1 + score2 + score3 + score4 + max_score) weighted_average = ----------------------------------------------------------------------- 5 This counts her maximum score twice as much as each of the other scores. Her letter grade is then a A if weighted average is at least 90, a B if weighted average is at least 80...
A class has 136 students. The time it takes to grade one exam paper is on average 3 minutes and has standard deviation 90 seconds. Estimate the probability that it will take less than 7 hours for one person to grade all of the exams.
. The professor of a large class decides to grade the nal exam on a curve. He will use the following criteria: 15% of students will get a grade of A+ .17% of students will get a grade of A. 11% of students will get a grade of B+ 18% of students will get a grade of B. 9% of students will get a grade of C+ 12% of students will get a grade of C. 10% of students will...
In her communications course, Nancy takes two examinations. Her overall grade for the course will be the minimum of her scores on the two examinations. Nancy decides to spend a total 880 minutes studying for these two examinations. If she spends m, minutes studying for the first examination, her score on this exam will be x1 = m/5. If she spends m2 minutes studying for the second examination, her score on this exam will be X2 = m2/6. (a) Draw...
A newly employed worker takes 15 minutes to complete the first task while she takes 12.75 minutes to complete the second task. How long the worker would take to complete the tenth task?
3. Your economics professor is analyzing exam grades to determine whether her exams are too hard are too ha or too easy. The stem-and-leaf plot below was made of the final exam grades of students in all of her courses. Answer the following questions about the data. the folowing questonya s made of the final exam Stem-and-leaf plot: 7779 12234566777889 00111122223333344455555555566778888888899 0000001111222234444444444445566777778888999 00011123355699 0129 a. Create a box plot from the data and draw a line at the median grade....
The time it takes for a Madonna concert to sell out follows a normal distribution with an average sell out time of 80 minutes with a standard deviation of 15 minutes. Fill in the values for the normal curve for the time to sell out. From left to right, the values would be: b.) Quantity, what percent of shows would they expect to sell out in 50 minutes or less? c) How many shows out of the 50 would be expected to take...
The Fresh Connection is really pushing the new line of juice products. Given that it takes 355 minutes to a new bottling line for the first time and a learning rate of 72 percent, how long would it take to setup this bottling line the 256th time? You can use the doubling method, the learning curve equation or learning curve tables to complete this question.
6. If it took 80 hours to produce the first unit of a product, and the learning rate is 80%, how long will it take to produce units 26 through 125? A. 1158.54 hours B. 1998.94 hours C. 1779.07 hours D. 2064.36 hours E Impossible to answer in the time allowed. 5. If it takes 60 hours to produce the first unit of a product and 50 hours to produce the 12th unit, what is the learning rate? A. 95.04%...
Professor Cramer determines a final grade based on attendance two papers, three major tests, and a final exam. Each of these activities has a total of 100 possible points. However, the activities carry different weights. Attendance is worth 6%, each paper is worth 10%, each test is worth 12%, and the final is worth 38%. (a) What is the average for a student with 68 on attendance, 85 on the first paper, 95 on the second paper, 96 on test...