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Calculate the expected time and variance for each activity (show your work for each calculation)
Activity Optimistic Most Probable Pessimistic
A 2 5 6
B 1 3 7
C 5 8 10
D 5 11 13
E 3 4 7
F 7 9 13
G 2 5 8
Calculate the probability that the project will be completed in 21 units of time or less based on the following additional information... Expected completion time equals 22.17 and the critical path equals C-F-G. (Show work for every part of your calculation)
illustrate all of your work when answering the followingi. use chebyshevs theorem to find what percent of the values
Write an intergal that represents the area of surface generated by revolving the curve about the x-axis. approximate the integral.
A water sprinkler is set to shoot a stream of water a distance of 12 meters and rotate through an angle of 40 degrees. (a)For r=12 meters, what angle is required to water twice as much area?
Sometimes (for example 1/12 ) only part of the decimal repeats while in other cases (for example 1/7 ) the whole decimal repeats. Assuming a/b is a reduced fraction, how can you tell which of these two scenarios will occur? Explain.
a parabolic satellite dish is formed by rotating the curve y=ax^2 about the y-axis. if the dish has a 10 foot diameter and a maximum depth of 2 feet, find a and then find the surface area of the dish.
The height h (in ft) of a rocket as a function of time t (in s) of flight is given by h = 50 + 280t - 16t2. Determine when the rocket is at ground level.
An open rectangular box is to be constructed from material that costs $12/ft2 for the bottom and $10/ft2 for its sides. Find the dimensions of the box of greatest volume that can be constructed for $81.
What is the subgraph isomorphism problem and what are some of its important applications, including those to chemistry, bioinformatics.
COST OF WIRELESS PHONE CALLS As cell phone usage continues to soar, the airtime costs have dropped. The average price per minute of use (in cents) is projected.
The ellipsoid's equation: x^2 + y^2 - yz + z^2 = 1 is quadratic in z, so can be solved for z explicitly to give the top and bottom halves. Use the quadratic formula to find the these functions.
467 tickets were sold. students paid $2.00 each while non students paid $4.00 each. If a total of $1,196.00 was collected, how many students attended and how many non students attended?
In 250 words or more. Discuss the transporters role, the port's role and the government's role in controlling invasive species and other hazards inherent.
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