Question

Probability of A attending class is
probability of B attending class is What is
the probability that either A alone or B alone
attends class?​

Answer 1

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Answer 2

Answer:

We have to calculate the shaded region.

So, we can do this by subtracting P(A and B) (intersection) from P(A or B)(union).

First we have to calculate P(A and B)

Since A and B are independent events

P(A and B) = P(A) × P(B)

P(A and B) = 1/6 × 1/5

P(A and B)=1/30