Mathematics for Machine Technology
7th Edition
ISBN: 9781133281450
Author: John C. Peterson, Robert D. Smith
Publisher: Cengage Learning
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Chapter 46, Problem 40A
To determine
To solve problem for unknown using the appropriate formula.
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If you were asked to load 225 boxes onto a truck, and the boxes are crated, with each crate containing nine boxes, how many crates would you need to load?
Habitat for Humanity International is a nonprofit organization dedicated to eliminating poverty housing worldwide. Suppose the following table contains estimates of activity times (in days) involved in the construction of a house that Habitat for Humanity is building.
Activity Optimistic Most Probable Pessimistic
A
6
7.0
8
B
7
8.0
9
C
7
7.5
11.5
D
7
9.0
10
E
6
7.0
9
F
3
4.0
5
(a) Compute the expected activity completion times and the variance for each activity. (Round your answers to two decimal places.)
Activity
Expected
Times
A
B
C
D
E
F
Variance
(b) An analyst determined that the critical path consists of activities B-D-F. Compute the expected project completion time and the variance of this path. (Round your answers to two decimal places.)
expected project completion time
variance of projection completion time
Chapter 46 Solutions
Mathematics for Machine Technology
Ch. 46 - Prob. 1ACh. 46 - Prob. 2ACh. 46 - Prob. 3ACh. 46 - Prob. 4ACh. 46 - Prob. 5ACh. 46 - Read the setting on the following 0.001-inch...Ch. 46 - Prob. 7ACh. 46 - Refer to the Decimal-Inch Spur Gears Table under...Ch. 46 - Prob. 9ACh. 46 - Prob. 10A
Ch. 46 - Prob. 11ACh. 46 - Refer to the Decimal-Inch Spur Gears Table under...Ch. 46 - Prob. 13ACh. 46 - Prob. 14ACh. 46 - Prob. 15ACh. 46 - Prob. 16ACh. 46 - Prob. 17ACh. 46 - Prob. 18ACh. 46 - Prob. 19ACh. 46 - Refer to the Decimal-Inch Spur Gears Table under...Ch. 46 - Prob. 21ACh. 46 - Prob. 22ACh. 46 - Prob. 23ACh. 46 - Prob. 24ACh. 46 - Prob. 25ACh. 46 - Prob. 26ACh. 46 - Prob. 27ACh. 46 - Refer to the Decimal-Inch Spur Gears Table under...Ch. 46 - Prob. 29ACh. 46 - Prob. 30ACh. 46 - Prob. 31ACh. 46 - Prob. 32ACh. 46 - Prob. 33ACh. 46 - Prob. 34ACh. 46 - Prob. 35ACh. 46 - Prob. 36ACh. 46 - Prob. 37ACh. 46 - Prob. 38ACh. 46 - Prob. 39ACh. 46 - Prob. 40ACh. 46 - Prob. 41ACh. 46 - Prob. 42ACh. 46 - Prob. 43ACh. 46 - Prob. 44ACh. 46 - Prob. 45ACh. 46 - Prob. 46ACh. 46 - Prob. 47ACh. 46 - Prob. 48ACh. 46 - Prob. 49ACh. 46 - Prob. 50ACh. 46 - Backlash is the amount that a tooth Space is...Ch. 46 - Prob. 52ACh. 46 - Prob. 53ACh. 46 - Prob. 54ACh. 46 - Prob. 55ACh. 46 - Prob. 56ACh. 46 - Prob. 57ACh. 46 - Prob. 58ACh. 46 - Prob. 59ACh. 46 - Prob. 60ACh. 46 - Prob. 61ACh. 46 - Prob. 62ACh. 46 - Prob. 63ACh. 46 - Prob. 64ACh. 46 - Prob. 65ACh. 46 - Prob. 66ACh. 46 - Prob. 67ACh. 46 - Prob. 68ACh. 46 - Prob. 69ACh. 46 - Prob. 70A
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- To manage the production of an animated movie, Pixar Animation Studios has listed the major activities involved, the predecessor relationships, and activity times (in months). The project is completed when activities F and G are both complete. Activity Immediate Predecessor G A B CD E A A C, B C, B D, E Time 4 6 2 6 3 3 5 (a) Find the critical path. (Enter your answers as a comma-separated list.) (b) The project must be completed in 1.5 years. Do you anticipate difficulty in meeting the deadline? Explain. The critical path activities require months to complete. Thus the project ---Select--- be completed in 1.5 years.arrow_forwardTo help with preparations, a couple has devised a project network to describe the activities that must be completed by their wedding date. In addition, they have estimated the time of each activity (in weeks). Start D F B E G Activity A B C DEFGH Time 5 3 6 6 6 3 11 10 (a) Identify the critical path. (Enter your answers as a comma-separated list.) H Finish (b) How much time (in weeks) will be needed to complete this project? week(s) (c) Can activity D be delayed without delaying the entire project? If so, by how many weeks? (If the activity can not be delayed, enter 0.) week(s) (d) Can activity C be delayed without delaying the entire project? If so, by how many weeks? (If the activity can not be delayed, enter 0.) week(s) (e) What is the schedule for activity E (in weeks)? Earliest Start Latest Start Earliest Finish Latest Finish week(s) week(s) week(s) week(s)arrow_forward30.6. Classify the zeros and singularities of the functions tanz (a). f(z)=sin(1-2-1), (b). f(2) = (c). f(z)= tanh .arrow_forward
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