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Mathematics (9709) 1401/12/17

Paper 7 October/November 2007 MATHEMATICH (9709/7) A Levels

CIE AS & A Level Mathematics (9709) بهمن 2007
شامل مباحث: Paper 6: Probability & Statistics 2
  تعداد سوالات: 6
  سطح دشواری: متوسط
  شروع: آزاد
  پایان: آزاد
  مدت پاسخگویی: 50 دقیقه

Paper 7 October/November 2007 MATHEMATICH (9709/7) A Levels
پیش نمایش صفحه اول فایل
نوع: Paper 3
ثبت شده در 17 اسفند 1401
  

At an election in 2010, 15% of voters in Bratfield voted for the Renewal Party. One year later, a researcher asked 30 randomly selected voters in Bratfield whether they would vote for the Renewal Party if there were an election next week. 2 of these 30 voters said that they would.

a) Use a binomial distribution to test, at the 4% significance level, the null hypothesis that there has been no change in the support for the Renewal Party in Bratfield against the alternative…