7.6.28 – IBM Trading Days
MyStatLab
Pearson
For a number of trading days, gives the mean stock price and standard deviation. Asks above a certain price, below, between, and which is more unusual.
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For a number of trading days, gives the mean stock price and standard deviation. Asks above a certain price, below, between, and which is more unusual.
Your numbers will vary.
They give a % of people that don’t make a payment on their loan and a large number of loans and ask for the mean and standard deviation and the assumptions satisfied or not.
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A truckload of apples arrives and a sample number is selected. They tell you the truckload will be rejected if a certain percent are rotten, etc. Then they say suppose a certain % are rotten, and ask if the shipment will still be accepted.
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A catalog sales company promises to deliver internet orders within some number of days and they give you a confidence interval C% and a % plus or minus some error and ask what is all means.
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A z-interval for proportion is given and they ask what it means.
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They give you some polling data and ask you for the margin of error and what it means, etc. Experts Have Solved This Problem Please login or register to access this content.
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Tells of so many accidents, how many teens were behind the wheel and asks for the confidence interval, and interpret it.
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They give you the results of a poll on downloading music and ask for the confidence interval.
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Gives info on two different countries and asks for the two proportions and a confidence interval and if the countries are different.
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They give a sample of internet users and asked about making one copy of the CD. They give the % that responded yes, they would still buy. They ask for the confidence interval.
Your numbers will vary.