
3. Assume that the time required to pour a concrete floor for a structure (D) has...
3- Assume that the time required to pour a concrete floor for a structure (D) has a triangular distribution between 18 and 22 days with the most required time of 20 days... Determine the following probabilities: a. (5%)Prob (D > 21) b. (5%) Prob (D = 20) c. (5%) Prob (D = 19)
3. Assume that the time required to pour a concrete floor for a structure (D) has a triangular distribution between 18 and 22 days with the most required time of 20 days.. Determine the following probabilities: a. (5%)Prob (D > 21) b. (5%) Prob (D = 20) c. (5%) Prob (D = 19)
3. Assume that the time required to pour a concrete floor for a structure (D) has a triangular distribution between 18 and 22 days with the most required time of 20 days... Determine the following probabilities: a. (5%)Prob (D>21) b. (5%) Prob (D = 20) c. (5%) Prob (D = 19)
3- Assume that the time required to pour a concrete floor for a structure (D) has a triangular distribution between 18 and 22 days with the most required time of 20 days.. Determine the following probabilities: a. (5%)Prob (D > 21) b. (5%) Prob (D ≤ 20) c. (5%) Prob (D = 19)
3 4657.3 12. 12. How many cubic yards of concrete are needed to pour a slab 60' x 80' × 5" thick? 13. 13. How many gallons of paint are required to paint one side of a block wall of the following dimensions: 6'x 172? The paint being used will cover 200 ft per gallon. 14. 14. Compute the gallons of sealer required to seal a floor 120 x 250. The sealer being used will cover 175 ft per gallon....
A floor system (Figure 2) consists of a 3 in. concrete slab
supported by continuous T beams with a span L=24 ft, and 47 in. on
centers distance between beams. Web dimensions, as determined by
the negative-moment requirements at the supports are bw=11 in. and
d=20 in. Use concrete clear cover of 2 in. Determine the tensile
steel of the T-beam that is required at mid-span to resist a
factored positive moment of Mu=530 kip-ft if fc’=3,000 psi and
fy=60,000...
Problem 1 While performing scheduling work on a project you have determined that one activity has a great deal of variability. A sample of times (30) the task has been completed is provided the table below. Assume that the task is considered to be "late" if the task duration is two days greater than the mean value (rounded to the nearest whole day), and "early" if the task duration is two days less than the mean value (rounded to the...
Assume the network and data that follow: ACTIVITY NORMAL TIME (WEEKS) NORMAL COST CRASH TIME (WEEKS) CRASH COST IMMEDIATE PREDECESSORS A 3 $ 60 2 $ 80 — B 5 70 4 110 A C 9 50 6 80 A D 7 100 6 130 A E 8 90 6 100 B F 5 30 3 50 D G 6 110 5 190 C, E, F b. Indicate the critical path when normal activity times are used. A-B-E-G A-C-F-G A-D-E-G...
x 19 20 21 22 23 F(x) 18 10 7 8 5 Let x be the ages of students in a class. Given the frequency distribution F(x) above, determine the following probabilities: (a) P(x>20)= (b) P(x≤22)= (c) P(x≥20)=
3.-/5 points BBBasicStat8 7.1.008.MI. The incubation time for a breed of chicks is normally distributed with a mean of 22 days and standard deviation of approximately 1 day. Look at the figure below and answer the following questions. If 1000 eggs are being incubated, how many chicks do we expect will hatch in the following time periods? (Note: In this problem, let us agree to think of a single day or a succession of days as a continuous interval of...