Answer:
3•10^3 is 3,000, so the answer is 9,000
The probability of a negative result for a batch will be "0.3487".
Given values are:
Positivity rate,
Batch size,
Now,
The probability of negative result will be:
→ 
By substituting the values, we get
→ 
→ 
→ 
Thus the answer above is right.
Learn more about the probability here:
brainly.com/question/17927863
Since there is no decimal point, the answer is 345276.
I would say either 110 or 131 if I might be wrong so check with a protractor first.