If A and B are independent events,P(A)= .2,and P(B)= .7,determine $P ( A \cup B )$
)
A)0.90
B)0.14
C)0.76
D)0.50
E)0.24

Name: If A and B are independent events,P(A)= .2,and P(B)= .7,determine $P ( A \cup B )$ ) A)0.90 B)0.14 C)0.76 D)0.50 E)0.24
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Question

Quizplus · Accepted Answer

Since A and B are independent events, we can use the formula:

P(A or B) = P(A) + P(B) - P(A and B)

Since A and B are independent, P(A and B) = P(A) * P(B) = 0.2 * 0.7 = 0.14

Therefore,

P(A or B) = 0.2 + 0.7 - 0.14 = 0.76

So the correct answer is (C) 0.76.

If a and B Are Independent Events,P(A)= P(A∪B)P ( A \cup B )P(A∪B)

If a and B Are Independent Events,P(A)= $P ( A \cup B )$