NEED HELP ASAP PLS !!!It is stated that two quantities vary inversely if one changes by the inverse ratio of the second. So, wha
1 answer:
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Answer:
0.2 = 20% probability that a student takes Spanish and engineering
Step-by-step explanation:
We solve this question treating the probabilities as Venn sets.
I am going to say that:
Event A: Student takes Spanish
Event B: Student takes Engineering.
35% of students take spainsh or engineering.
This means that
30% of students take Spanish.
This means that
25% of students take engineering.
This means that
What is the probability that a student takes Spanish and engineering?
This is .
These probabilities are related by the following formula:
So
Replacing the values
0.2 = 20% probability that a student takes Spanish and engineering