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A website recorded whether visitors click on a shown ad. The following plot shows the outcomes for a sequence of 100 visitors, with a 1 shown if the visitor clicked on the ad and a 0 otherwise. Complete part (a) and (b) below.
(a) Does it appear that the Law of Large Number is applicable if this sequence continues indefinitely?
(b) No, because the events of clicking on an ad and not clicking are independent.
(c) Yes, because the data do no
(d) No because the data do not appear to have a pattern.
Assume that ages at onset of this disease are normally distributed for each gender, do not assume the population variances are equal. What are the appropriate null and alternative hypotheses?
Let's suppose that we have 2 variables year and age.. I use STATA to make them into dummy variables as follows:
Develop the "best" regression model possible using this set of variables to help you predict the Risk. State your final model. Interpret the coefficients for the model (i.e. what do the numbers mean?). Finally, tell me how to use this model for pr..
The margin of error for a 95% confidence interval estimate for the proportion of all students with cell phones is
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1. The speed of automobiles on a section of I-95 is normally distributed with a population mean of 65 miles per hour and a population standard deviation of 8 miles per hour. A random sample of 30 cars is to be selected for a speed study.
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