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Say you have a population of 1 million, in which 900,000 are females and 100,000 are males. Overall you are interested in knowing how many times per year, on average, your population chooses to go fishing. Since you cannot survey all 1 million members, explain how to find a good representative sample of size 100 that will help answer this question about fishing.
Bags of cookies that have weights in the upper 7.5% are too heavy and must be repackaged. What is the most a bag of cookies can weigh and not need repackaging?
How are they getting that middle decimal number? How is that being calculated?
The cost of an e-commerce website can vary a great deal. A market research team hypothesized that the cost of an average website is $3500.
How is calculating confidence interval different or similar to gambling?
Draw a scatterplot for the relationship between persons per household and year. Is the relationship linear or curvilinear? Is the association between persons per household and year positive or negative?
Who was the Egyptian king whose tomb and treasures were discovered in the Valley of the Kings in 1922?
Six people have declared their intentions to run for a county commission seat in the next general election. A political poll is conducted three-quarters of the way into the campaign to determine if there are any clear preferences on the part of th..
Suppose a botanist grows many individually potted eggplants, all treated identically and arranged in groups of four pots on the greenhouse bench.
Find the z-score corresponding to the given area. Remember, z is distributed as the standard normal distribution with mean of and standard deviation.
Confidence in the banking system. The General Social Survey (GSS) is a sociological survey used to collect data on demographic characteristics and attitudes of residents of the United States.
Explain why probability does not always work the way it is expected?
three coins are placed in a box. a quarter a dime and a nickel. one coin is drawn at random and not replaced. a second
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