(4.2 X 10 Power of four) X (2 x 10 Power of three)
2 answers:
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The probability of a negative result for a batch will be "0.3487".
Given values are:
Positivity rate,
- p = 10% or, 0.1
Batch size,
- n = 10
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: