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According to a poll, 60% of a nation's women 18 years old or older stated that the minimum driving age should be 18. Complete parts
According to a poll, 60% of a nation's women 18 years old or older stated that the minimum driving age should be 18. Complete parts (a) through (f) below. (a) In a random sample of 15 women 18 years old or older, nd the probability that exactly 10 believe that the minimum driving age should be 18. The probability is |:|. (Round to four decimal places as needed.) (b) In a random sample of 15 women 18 years old or older, nd the probability that fewer than 5 believe that the minimum driving age should be 18. The probability is |:|. (Round to four decimal places as needed.) (6) In a random sample of 15 women 18 years old or older, nd the probability that at least 5 believe that the minimum driving age should be 18. The probability is |:|. (Round to four decimal places as needed.) (d) In a random sample of 15 women 18 years old or older, nd the probability that between 7 and 12, inclusive, believe that the minimum driving age should be 18. The probability is |:|. (Round to four decimal places as needed.) (e) In a random sample of 200 women 18 years old or older from the nation, what is the expected number who believe that the minimum driving age should be 18? What is the standard deviation? In a random sample of 200 women, D women are expected to believe that the minimum driving age should be 18. (Round to the nearest whole number as needed.) The standard deviation is women. (Round to one decimal place as needed.) (f) If a random sample of 200 women 18 years old or older from the nation resulted in 110 who believe that the minimum driving age should be 18, would this be unusual? Why? Since 110 women is : than 2 standard deviations from what is expected, this V unusual
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