Answer:
The correct answer is,
Write the equation of the line that passes through the points (4,8) and (-9,5). Put
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Answer:
Proportion of buildings in the city that have fire code violations: 10%
Uncertainty 0.3 = 30%
Step-by-step explanation:
This situation complies with a binomial model where p is the probability of finding a building having fire code violations and q=1-p
Since in random sample of 40 buildings chosen for inspection 4 of them are found to have fire code violations, the proportion is 4/40 = 0.1 or 10% and p=0.1 as well.
<em>In a</em> <em>binomial model the standard deviation s is: </em>
<em>
</em>
<em>where n is the sample size</em>. So
and the uncertainty is the standard error SE