In a survey of 472 personnel directors, 63% thought that they would be hiring new personnel over the next three months
Which of the following represents a 98% confidence interval for the proportion of all personnel directors planning to hire personnel over the next three months?A) 0.63 ± 0.057
B) 0.63 ± 0.047
C) 0.63 ± 0.042
D) 0.63 ± 0.052
D
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A salesperson contacts eight potential customers per day. From past experience, we know that the probability of a potential customer making a purchase is .10. a.What is the probability that the salesperson will make at least exactly two sales in a day?b.What is the probability that the salesperson will make at least two sales in a day?c.What percentage of days will the salesperson not make a sale?d.What is the expected number of sales per day?
What will be an ideal response?
Personnel in a retail chain are specialists overseeing either buying or selling. This firm has a _____ philosophy
a. decentralized b. centralized c. merchandising d. buying
Use the data in Scenario 2.5 to answer this question. If the rating factor is 15%, what is the normal time for Element 2?
A) 23.9 seconds B) 27.5 seconds C) 28.1 seconds D) 31.6 seconds
A batch of business events is accurately entered into a business event data store, but the computer operator fails to use the data to update master data. This type of processing error would be classified as an operational error.
Answer the following statement true (T) or false (F)