Mathematics, 24.02.2020 21:05 marbuigues9171
In a randomly selected group of 650 automobile deaths, 180 were alcohol related. Construct a 95 percent confidence interval for the true proportion of all automobile accidents caused by alcohol.
Answers: 3
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
.
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In a randomly selected group of 650 automobile deaths, 180 were alcohol related. Construct a 95 perc...
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