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# Probability, Expected value, Binomial, Sample Size...

DESCRIPTIVE STATISTICS: The following unsorted data shows the number of traffic tickets given each day by ...

EXPECTED VALUE: A company has produced a new line of sweetener that it plans to market. They estimate ...

BINOMIAL: Suppose that a website statistics shows that 30% of those who visit the website ...

The mean amount spent by a family on food per month is \$500 with a standard deviation of ...

NORMAL: A new extended-life light bulb has an average service life of 750 hours, with a standard deviation of ...

NORMAL: A resort tracks the number of days each guest stays. They've discovered that ...

NORMAL-CLT: The average age of Webster online students is known to be 29.2 years with a standard deviation of ...

CONFIDENCE INTERVALS: A survey of 25 grocery stores revealed that the average price of a gallon of milk ...

CONFIDENCE INTERVALS: A sample of 50 Hummer owners revealed that 40 have cut back on their driving due to ...

SAMPLE SIZES: A bank wishes to estimate the mean balances owed by their MasterCard customers ...

SAMPLE SIZES: Comcast wants to know the percent of their cable subscribers who use the internet at home ...

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