The Student t distribution:
A. is symmetrical.
B. approaches the normal distribution as the degrees of freedom increase.
C. has more area in the tails than the standard normal distribution does.
D. All of these choices are true.
Analysis:
A. Incorrect. All of these choices are true.
B. Incorrect. All of these choices are true.
C. Incorrect. All of these choices are true.
D. Correct. All of these choices are true.
ANSWER : D
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Helga works as a nurse in a government-run hospital. She has to work 40 hours a week, from 10 pm to 6 am every day. Which of the following is true of this scenario?
A) Helga is not entitled to receive overtime pay as medical staff does not qualify for it. B) Helga can receive minimum wages and overtime pay only if she works more than 60 hours a workweek, as she is a government employee. C) Helga cannot receive overtime pay as government employees are exempt from it. D) Helga can receive overtime pay if she works more than 40 hours a workweek.
Larry, a merchant seller, had contracted with Simon to buy welding equipment. The contract stipulated that Larry would pick up the equipment from Simon's warehouse on the 14th day from the date of the contract. Larry could not make the pick-up on the stipulated date and before he could do so on the 15th day, the warehouse and its contents were destroyed by arsonists. In this situation, who bears the risk of loss for the goods that were to be received by Larry?
A. The risk of loss lies with Larry for delaying the pick-up. B. The risk of loss lies with Simon for not protecting the goods from the arsonists. C. The risk of loss is equally shared by Larry and Simon. D. The risk of loss is shifted to the persons responsible for the fire.
The Parol Evidence rule applies when:
a. an executor promises to use her own funds to pay a debt of the deceased. b. the promisor makes the guarantee not as a favor to the debtor, but out of self interest. c. two parties make an integrated contract, then one party tries to contradict, vary, or add to its terms based on discussions or information beyond the contract. d. there is a sale of goods worth $500.00 or more.
In waiting line systems, a ______ level of service means ______ waiting time costs because of reductions in customer dissatisfaction.
A. low; lower B. high; lower C. high; higher D. low; higher