Mathematics, 10.12.2019 19:31 woodfordmaliky
Suppose it is known that 8 out of the 20 teams in the sample had a season winning percentage better than 0.500.
(a) find a 95% confidence interval for the true proportion of all teams that had a season winning percentage better than 0.500.
Answers: 3
, and a confidence interval 
, we have the following confidence interval of proportions.
.
.
, z is the value of Z that has a pvalue of 
, so 
.
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Suppose it is known that 8 out of the 20 teams in the sample had a season winning percentage better...
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