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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?
a survey of grocery revealed 40 percent had a pharmacy, 50 percent had a floral shop, and70 percent had a deli. suppose 10 percent of the stores have all three departments, 30 perc
mr.sunil join as a new business partner and borrowed rs. 850000 from ansul investment co. and depoisted the money into a uti bank account on 1-4-2006.
What is the relationship between the normal curve and the standard deviation? Name and explain three special features of a normal distribution
1. Generate a large dataset ( at least 1000 observations) µ with a known mean, µ between 20 and 40 and variance s = 9 using rnorm(). identify it as D. Use the functions mean() and
Question: (a) Find the number of different words which can be formed with the letters A, A, A, B, B, C, C if (i) there is no restriction (ii) they must st
Data for ogive graph in sectors of indian economy
I have to set up a chart for a perpetual system. How Do I do this with credit card sales?
1. Name several entities, attributes, activities, events, and state variables for the following systems: (a) A cafeteria (b) A grocery store (c) A laundromat (d) A fast
jay can remember only the first 4 digits of his friends phone number. he also knows that the number has 7 digits and the last digit is not a zero. if jay were to dial all of the po
During October, Alcorn Company had 81,250 of cash receipts and 83,688.00 of cash disbursements. The October 31 cash balance was 14,060. Determine how much cash the company had at
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