Which of the following is an appropriate null hypothesis?
A) H0 : ?x - ?y ? 0
B) H0 : Px > Py
C) H0 : ?x - ?y < 0
D) H0 : ?2x =?2y
D
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For a spread to be successful, the difference in strike prices must be greater than the net cost of the purchased option(s)
Indicate whether the statement is true or false.
Random samples of size 81 are taken from a process (an infinite population) whose mean and standard deviation are 200 and 18, respectively. The distribution of the population is unknown. The mean and the standard error of the distribution of sample means are _____
a. 200 and 18 b. 81 and 18 c. 9 and 2 d. 200 and 2
Answer the following statements true (T) or false (F)
1. On January 1 of this year, Brad purchased 100 shares of stock at $4,000. By December 31 of this year, the stock had declined in value to $2,200, but Brad still held the shares. Brad has realized a $1,800 loss for tax purposes this year. 2. Rick sells stock of Ty Corporation, which has an adjusted basis of $20,000, for $22,000. He pays a sales commission of $500. In computing his gain or loss, the amount realized by Rick is $1,500. 3. Expenditures which do not add to the value or prolong the life of property may be expensed in the year in which they are incurred. 4. Capital recoveries increase the adjusted basis of an asset.
In the context of economic feasibility, which of the following statements is true of opportunity costs?
A) They measure what an individual would miss by not having an information system or feature. B) They measure costs involved in training employees who will be using the information system. C) They measure the changes in the scope of an information system after the analysis and design phases. D) They measure fixed and variable costs involved in running a system.