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Suppose that 3% of the 2 million high school students who take the SAT each year receive special accommodations because of documented disabilities. Consider a random sample of 25 students who have recently taken the test. (Round your probabilities to three decimal places.)
(a) What is the probability that exactly 1 received a special accommodation?
(b) What is the probability that at least 1 received a special accommodation?
(c) What is the probability that at least 2 received a special accommodation?
(d) What is the probability that the number among the 25 who received a special accommodation is within 2 standard deviations of the number you would expect to be accommodated?
You may need to use the appropriate table in the Appendix of Tables to answer this question.
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singer suggests that although the right to sell blood does not threaten the formal right to give blood it is
Use the value 20 for the population standard deviation of scores on this subsection.
Use a 0.05 level of significance (? =.05) to determine whether or not the percentage of Atlanta CEOs who have advanced degrees is significantly less than the national percentage.
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