Question

Events A and B are disjointed. P(A) = 3/10; P(B) =2/5 . Find P(A or B). 1/3 7/10 1/10 9/10

Answer 1

7/10

Explanation:

^

Answer 2

• 7/10

Explanation:

Given

• P(A) = 3/10
• P(B) = 2/5

To find

• P(A or B)

Solution

• P(A or B) = P(A) + P(B)
• P(A or B) = 3/10 + 2/5 = 3/10 + 4/10 = 7/10