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Question: You have a position open and are trying to hire a new person. Assume that the new person's experience will follow a normal distribution with the mean and (sample) standard deviation of your current employees.
a. Find the probability that the new person will have more than 6 years of experience.
b. Find the probability that the new person will have less than 3 years of experience.
c. Find the probability that the new person will have between 4 and 7 years of experience.
Suggest several variables describing a child's home life that may be related to how much TV he or she watches. How would the effects of these variables make it difficult to conclude that more TV causes more aggressive behavior?
You are dealt 2 cards from a shuffled deck of 52 cards, without replacement. There are four suits of 13 cards each in a deck of cards
Assume the population is normally distributed, the confidence level is 95%, n = 12, and σ is unknown.
When groups are more alike than different, ANOVA assesses the significance of the difference between two groups. When groups are unalike, will findings be more significant?
a researcher is interested in estimating the noise levels in decibels at area urban hospitals. she wants to be 90
four out of every 10 online homes in the u.s. have switched to broadband high-speed internet. two homes are randomly
a. Fit a two-region regression tree. What is the first split point based on age? What is SSE for this two-region tree? b. Find the second split point given the two region tree in part (a). What is SSE for the resulting three-region tree?
A random sample of 1440 current job applicants results in 61 failures (based loosely on data from the American Management Association).
A large retailer (in Sydney) that sells products manufactured by Nanuq Australia needs to develop an inventory policy for electric heaters. The annual demand for the electric heaters is 3,000 (A) units. Each unit costs the retailer $50 (c) with ho..
Find the probability that General Motors will have the largest market share for SUVs in the coming quarter.- Find the probability that Toyota will have the largest market share for SUVs in the coming quarter.
What statistical tests can perform to compare two groups asked the same question, when the question has a yes/no answer and the sample groups are different.
1. Suppose that 4 items are selected at random from manufacturing process. Each item is inspected and classified defective (D) or non-defective (N).
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