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A large reinforced-concrete building is to be constructed on very poor foundation material. The building is 60 ft wide, 200 ft long, and 6 stories in height. Two basic foundation alternatives are friction piles or some type of raft foundation. A differential settlement on the order of 3 in. can be expected to involve legal problems with the client, since you have already indicated that the site is adequate for the proposed construction. Routine tests and studies indicate that a pile foundation can be expected to show long-term differential settlements of up to 3 in. Odds cannot be quoted that the settlement will not be larger, but it is unlikely. The odds are approximately even that the differential settlement will be less than 1 in., approximately 4 to 1 that it will be less than 2 in., and perhaps approximately 1 in 100 that it will be approximately 3 in. The cost of a pile foundation is so large that it is "even money" that the client will abandon the job if this design is suggested. Use discrete states and note that the measures of likelihood must be normalized. Studies for a raft foundation indicate that a relatively flexible slab coupled with rock surcharge around the building will be within the cost estimates. The odds are more or less even that the differential settlement will be less than 2 in. and approximately 10 to 1 that it will be less than 3 in. If the settlement is too large, the client will take legal action against you; you expect the cost to you will be $1,000 or $10,000 with equal likelihood. Your profit on the job will probably be $3,000, providing that it goes to completion.
(a) Set up the decision tree for this decision and determine the optimum action.
(b) If the client now says he will not pay your usual fee, determine the offered fee level below which you would sue him for the original fee assuming that the cost of collection is $500. Assume that the client will be required to pay you $3,000 and normal engineering costs are not influenced by the legal problems. Note that this type of operation does not imply that you will not be offered future jobs. In fact, if you reduce your fee (under pressure), you can expect to receive future jobs (with attendant fee difficulties). Note that you could hedge against such problems by asking for more than you expect in the initial negotiations.
Normal distribution with mean 1,200 hours, and standard deviation 70 hours. Determine the probability the mean life time of a random sample of 9 bulbs will be At least 1,180 hours.
The test question is: Should a merit raise be given? What is your conclusion? State the null and alternative hypotheses in symbolic form. State the null and alternative hypotheses in word form.
in order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is
Find the sample size for the 95% confidence interval used to estimate the population proportion.
Sources of Individual Shy-Bold Variations in Antipredator Behaviour of Male Iberian Rock Lizards," published online in Animal Behavior in 2005
part -1make sure you read the output carefully. this output pertains to a set of juvenile court data looking at the
Batteries. A junk box in your room contains a dozen old batteries, five of which are totally dead. You start picking batteries one at a time and testing them.
Psychological response of firefighters. The Journal of Human Stress (Summer 1987) reported on a study of ‘‘psychological response of firefighters to chemical.
Researchers want to measure the effect of alcohol on the development of the hippocampal region in adolescents. The researchers randomly selected 11 adolescents with alcohol use disorders. They wanted to determine whether the hippocampal volumes in..
a recreational equipment supplier finds that among orders that include tents 40 also include sleeping mats. only 5 of
Which of the following pH values is nearest to the isoelectric point (the point at which the overall net charge is zero) for this amino acid: 1.1, 5.3, 12.2? Explain your answer.
You are the lead consultant for the Excellent Consulting Group. It is mid-October. One of your top clients, Buddy's Floor Barn, has just closed the books for the first three quarters of the year (January through September). Buddy's Floor Barn request..
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