In a study of knowledge of current events, we give a 20-item true–false test to a class of college seniors. One of the not-so-alert students gets 11 answers right. Do we have any reason to believe that he has done anything other than guess?
Earlier in this chapter I stated that the probability of drawing 25 blue M&M’s out of 60 draws, with replacement, was .0011. Reproduce that result. (Warning, your calculator willbe computing some very large numbers, which may lead to substantial rounding error. The value of .0011 is what my calculator produced. From earlier we know that p(blue) 5 .24)
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