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John runs a computer software store. He counted 130 people who walked by his store in a day, 59 of whom came into the store. Of the 59, only 24 bought something in the store. Estimate the probability that a person who comes into the store will buy nothing. Round your answer to the nearest hundredth.
Bill is completing a project for you in the marketing department. In conducting his anaysis regarding consumer behavior and a new product that has been released, he tells you the correlation between these two variables is 1.09.
Constructing a 95% confidence interval for the true length of time for all pepper seeds to germinate you must calculate the margin of error. The margin of error in this case is 0.60.
Sample of 36 packages reveals mean weight to be 3.01 pounds, with standard deviation of 0.03 pounds. What is the estimated population mean?
The time until a component is taken out of service is uniformly distributed on 0 to 8 hours. Two such independent components are put in series, and the whole system goes down when one of the components goes down.
Listed below is the selling price for a share of Coca Cola, at the close of the year. Determine the least squares trend equation.
Write the null and alternative hypotheses for testing if participants and non-participants differ in level of problem behavior (Y).
Results from survey of 1000 respondents, point out that 545 favour the dealth penalty for capital crimes. By using a90% confidence level. Create confidence interval estimate for population proportion.
Identify a research issue, problem, or opportunity that uses data that has absolute zero measurements, ratio level data.
If you are using the method of least squares for fitting trends in an annual time series containing 25 consecutive yearly values,
Construct a 95% confidence interval for the proportion of all those who experience some type of discomfort.
Draw a scatter diagram of the following bivariate data.
Given that consumer changed te brands, what is the probability that consumer purchased fewer products than before?
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