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Bag I contains 3 white objects and 4 black objects, and Bag II contains 2 white and 6 black objects.
a) You pick an object randomly from Bag I and place it into Bag II. Next you pick an object randomly from Bag II. What is the probability that the object is black?
b) This time, you pick a Bag at random, each of the two Bags being picked with probability ½, and you pick an object at random from the chosen Bag. Given the ball is black, what is the probability you picked Bag I?
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Based on what we know about statistics and using your example, how do you believe statistics can enrich and represent the results of a study? How can statistics be used to misrepresent the results of a study?
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A gallop poll that was based on telephone interviews conducted April 9-12, 2012, using a random sample of 1016 adults aged 18 and older, living in all 50 US states and the District of Columbia, indicated that 29% of Americans spent more money in rece..
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