Of 12 possible building sites for factories, 5 have buried toxic waste sites that no one told you about! If you choose 3 of the sites for initial building locations, what is the probability you will be lucky enough to avoid any toxic waste sites?

Explanation:

Probability refers to the chance of occurrence of some event.

Number of building sites for factories = 12

Number of toxic waste sites = 5

So, number of non-toxic waste sites = 12 - 5 = 7

We need to find the probability that the 3 sites chosen for initial building locations are non-toxic.

Solution:

Probability = number of non-toxic waste sites / Number of building sites for factories =

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so you know what happened be fore you were alive

explanation: