Given that Z is a standard normal random variable, what is the probability that -2.51 ? Z ? -1.53?
a. 0.4950
b. 0.4370
c. 0.0570
d. 0.9310
C
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Which of the following is true about a nonprobability sample?
A) The hierarchical sampling method is used to select people who appear most willing to participate. B) Representativeness is the key determinant of who participates. C) A researcher uses personal judgment to select participants. D) Every member of the population is included in the sample. E) Each member of the population has some chance of being included in the sample.
Stress is any demand on the individual that requires coping behavior.
Answer the following statement true (T) or false (F)
Vera Macullum decided to have a face lift and chose Dr. Harry Berry, a noted cosmetic
surgeon to do the work. During the surgery, Dr, Berry who was highly distracted owing to some personal problems, made a bad incision which lead to Vera suffering permanent muscle damage on one side of her face. Vera filed a claim against Dr. Berry in negligence and for breach of contract and in particular, breach of the condition of merchantability under the Sale of Goods Act. Which of the following statements is TRUE? A) Vera will likely recover damages on both of her claims as on the facts given Dr. Berry has no reasonable defence. B) under the Sales of Goods Act, Vera can also recover punitive damages C) Vera will likely succeed in her contract claim but not on her negligence claim as Dr. Berry could not reasonably have foreseen the results of his actions. D) Vera can only succeed in a claim under contract law E) The Sales of Goods Act does not apply to this transaction
Dell Productions is a price-taker
The company produces large spools of electrical wire in a highly competitive market; thus, it uses target pricing. The current market price is $825 per unit. The company has $3,100,000 in average assets, and the desired profit is a return of 6% on assets. Assume all products produced are sold. The company provides the following information: Sales volume 100,000 units per year Variable costs $700 per unit Fixed costs $13,000,000 per year Currently the cost structure is such that the company cannot achieve its profit objective and must cut costs. If fixed costs cannot be reduced, how much reduction in variable cost per unit will be needed to achieve the desired target? (Round your answer to the nearest cent.) A) reduction in variable cost per unit by $700.00 B) reduction in variable cost per unit by $125.00 C) reduction in variable cost per unit by $5.00 D) reduction in variable cost per unit by $6.86