Derive the probability distribution of the completion times, Mathematics

Assignment Help:

Derive the probability distribution of the completion times:

a. The following probability distributions relate to the completion times, in weeks, TA and TB of two independent activities, A and B respectively.

t

Pr(TA =t)

2

0.20

4

0.35

6

0.25

8

0.20

 

t

Pr(TB =t)

3

0.25

5

0.50

7

0.25

The activities A and B form a important phase of a project.

i). Derive the probability distribution of the completion times of this phase if the two activities are undertaken in:

                a. series

                b. parallel

ii) For each of the distribution in (i) above, calculate their relevant statistics.

 

A task is known to have the following time to completion (in days), T and cost, C probability distribution, respectively:     T » N(20,25)

The distribution of C is conditional on T and is given by:

 

1729_probability distributions.png

Calculate:

i). Pr(T£25);

ii Pr(C£2200).


Related Discussions:- Derive the probability distribution of the completion times

Parent, Sam has 18 marbles. Dean has 3 marbles. Dean has ---- as many marbl...

Sam has 18 marbles. Dean has 3 marbles. Dean has ---- as many marbles as Sam?

Algebra, Hi, I don''t know how to solve 2(5x+3)

Hi, I don''t know how to solve 2(5x+3)

Pair of linear equations in two variables, a lending library has a fixed ch...

a lending library has a fixed charge for the first three days and an additional charge for each day thereafter. sam paid Rs 27 for a bookkept for 7 days while jaan paid Rs 21 for t

Diagonals of a trapezium divide each other proportionally , Diagonals of a ...

Diagonals of a trapezium divide each other proportionally: Given : In trapezium ABCD , AB// DC R.T.P :AO/OC = BO/OD Construction: Draw the line PQ; parallel to AB or C

Compound interest, principal=2000 rate=5% time=2 years find compound intere...

principal=2000 rate=5% time=2 years find compound interest

Accuray and Precision, If an instrument has precision of +-1, can it detect...

If an instrument has precision of +-1, can it detect a value of 1.3?

Generic rectangles and greatest common factors, miaty and yesenia have a gr...

miaty and yesenia have a group of base ten blocks.Misty has six more than yesnia. Yesenia''s blocks repersent 17 together they have 22 blocks,and the total of blocks repersent 85.

BIOMATH, Ask quHarvesting prevents the population size of a species from at...

Ask quHarvesting prevents the population size of a species from attaining its natural carrying capacity. We can add harvesting to the logistic model by assuming that the per capita

Problem solving for andre, Problem solving for andre A can of powdered ...

Problem solving for andre A can of powdered milk and a can of evaporated milk cost Php 83.90 together. Two cans of evaporated milk and a can of powdered milk cost Php 118.05

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd