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Anonymous Anonymous
  • 05-02-2016
  • Mathematics
Answered

Events A and B are independent. Find the indicated probability. Show your work!

AP(A) = 0.3, P(B) = 0.5, P(A and B) = ?


BP(A) = ?, P(B) = 0.9, P(A and B) = 0.45

Verified Answer :

Panoyin
Panoyin Panoyin
  • 05-02-2016

P(A) = 0.3
P(B) = 0.5
P(A and B) = 0.3 × 0.5
P(A and B) = 0.15

P(A) = x
P(B) = 0.9
P(A and B) = x · 0.9
          0.45 = 0.9x
           0.9      0.9
           0.5 = x
P(A) = 0.5

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