How to use scale factor with area of 3600 sq root of 2 and scale factor of 5?
1 answer:
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Answer:
P ( snowboard I ski) = 0.5714
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is
In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: Ski
Event B: Snowboard.
28 out of 120 students ski:
This means that
16 out of 120 do both:
This means that
P ( snowboard I ski)
So
P ( snowboard I ski) = 0.5714