Answer:
There is a 44.16% probability that exactly 1 of the tested bottles is contaminated.
Step-by-step explanation:
is the number of different combinatios of x objects from a set of n elements, given by the following formula.

In this problem, we have that:
Total number of combinations:

Desired combinations:
It is 1 one 5(contamined) and 2 of 17(non contamined). So:

What is the probability that exactly 1 of the tested bottles is contaminated?

There is a 44.16% probability that exactly 1 of the tested bottles is contaminated.
4;6
4 pages every 6 minutes
4 * 3 = 12 pages
6 * 3 = 18 minutes
It would take him 18 minutes to read 12 pages
I hope this helps!:)
Answer:x:
y=-5/4
Step-by-step explanation:
Vertex (1,-1)
focus(1,-3/4)
Axis of symmetry(X=1)
Answer:
Step-by-step explanation:
To subtract -7a^2+3a-9 from 5a^2-6-4
We have
5a^2-10--7a^2+3a-9
5a^2-10+7a^2+3a-9
Collect like terms
12a^2+3a-10-9
12a^2+3a-19
Answer:
f=3
Step-by-step explanation:
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