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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 probability a computer will boot is .08. What is the least number needed so that the probability at least two will boot is greater than .99?
What are the salient features of a Promissory Note? Ans. a) A Promissory Note is made by the promiser who undertakes to pay the mentioned amount of Bill to the bearer of the Promi
A Biology student estimates that the probability that a certain organism will live beyond 24 hours is .40. If he conducts on 7 of this type or organisms, find the probability that
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regression line drawn as y=c+1075x,when x was 2,and y was 239,given that y intercept was 11.calculate the residual
1. ABC produces a single product. Material A is added at the start of production and Material B at the end. Conversion is uniform throughout. Inspection before Material B is added.
difference between historigram and histogram
What do u mean by Vectors? Explain its types.
Mean The mean is commonly the most significant of all the numerical measurements used to describe data, and it is what the most people call an average. Example Find
The fluctuations in the stock market induce some investors to sell and move their money into more stable investments. To determine the degree to which recent fluctuation affected o
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