I think its 34 units, i took the test the other and it was right
Answer:
P(B) = 0.62
Step-by-step explanation:
<u><em>P(A or B) = P(A) + P(B) - P(A and B)</em></u>
<em>So, Putting the givens</em>
0.89 = 0.48 + P(B) - 0.21
0.89 = 0.27 + P(B)
P(B) = 0.89 - 0.27
P(B) = 0.62