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Problem:
a. According to a Business week poll of 1035 adults, 40% of those surveyed agreed strongly with the proposition that business has too much power over American life (Business Week, September 2000). Assume this percentage is representative of the true population. In a sample of 10 individuals taken from the population, what is the probability that at least five of these individuals will feel that business has too much power over American life?
b. Suppose phone calls for assistance arrive at a rate of 48 per hour at the complaints desk of a company's after sale service department.
i. Compute the probabilities of receiving exactly 10 calls, 15 calls and 20 calls in 15 minutes.
ii. Suppose no calls are currently on hold. If the agent takes five minutes to complete the current call, how many callers do you expect to be waiting by that time? What is the probability that: (a) none and (b) exactly two will be waiting?
iii. If no calls are currently being processed, what is the probability that the agent can take three minutes for personal time without being interrupted by a call? What is the probability that he will receive only one call during these three minutes?
The following are actual data showing the latitude of a sample of major cities in the northern hemisphere and their mean high annual temperature. latitude(X) mean high temp(Y
State unemployment tax Condition government authorities provide lack of employment solutions and figure out conditions lack of employment tax amount for each company. (Some not
Linear regression is a regression methods that models the relationship between a dependent variable independent variables ? X1 i = 1 .........p and a random term . the mod
Suppose we wanted to compare the somatic complaints (as measured on a scale known as the Physical Symptom Survey or PSS) of three groups of people; nonsmokers, smokers, and people
Fenn Museum, a nongovernmental not-for-profit organization, had the following balances in its statement of functional expenses: Education $300,000 Fundraising 250,000 Management an
Find the probability of drawing a diamond card in each of the consecutive draws from a well shuffled pack of cards, if the card drawn is not replaced after the first draw
will the ogive curve eventually decrease?
1. This question has multiple parts. For a distribution of scores with = 82 and standard deviation = 2.5, find the following: (Don't forget to sketch the normal curve to help
Arnold Palmer and Tiger Woods are two of the best golfers ever to play the game. To show how these two golfers would compare if both were playing at the top of their game, the foll
#multiple linear regression of y on x1 & x2 from data relating to 3 variables i.e y=4,6,77,9,13,15 x1=15,12,8,6,4,8 x2=30,24,20,14,10,4
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