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A Gallup Poll found that of 800 randomly selected drivers

A Gallup Poll found that of 800 randomly selected drivers surveyed, 70% thought they were better-than-average drivers. In truth, in the population, no more than 50% of all drivers can be “better than average,” assuming “average” is equivalent to the median level of skill. a. Draw a picture of the possible sample proportions that would result from samples of 800 people from a population with a true proportion of .50.

b. Would we be unlikely to see a sample proportion of .70, based on a sample of 800 people, from a population with a proportion of .50? Explain, using your picture from part (a).

c. Which one of the psychological issues discussed in Chapter 16 would help explain the results of this survey?

b. Would we be unlikely to see a sample proportion of .70, based on a sample of 800 people, from a population with a proportion of .50? Explain, using your picture from part (a).

c. Which one of the psychological issues discussed in Chapter 16 would help explain the results of this survey?

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