a study done in the 1990\'s indicated that 6% of taxi drivers in new york city r
ID: 3391518 • Letter: A
Question
a study done in the 1990's indicated that 6% of taxi drivers in new york city regularly ran a stop sign. a new study is being done to determine if recent law changes has affected this rate. how many drivers must be investigated so that we can be 99% confident that our results are within a margin of 2% a study done in the 1990's indicated that 6% of taxi drivers in new york city regularly ran a stop sign. a new study is being done to determine if recent law changes has affected this rate. how many drivers must be investigated so that we can be 99% confident that our results are within a margin of 2% a study done in the 1990's indicated that 6% of taxi drivers in new york city regularly ran a stop sign. a new study is being done to determine if recent law changes has affected this rate. how many drivers must be investigated so that we can be 99% confident that our results are within a margin of 2%Explanation / Answer
Margin of error = E = 0.02
p = 0.06
q = 0.94
p*q = 0.0564
Z value = 2.33
(Z value/ E)^2 = 116.5^2 =13572.25
n = pq * (Zvalue/E)^2 =766.28~766.
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