We know P = 1/2
X~B(2, 0.5)
n = 1
2C1 from pascal triangle = 2
P(X=0.5)= 2C1 x 0.5 x 0.5
= 0.5
= 50%
(p+1) (p-1). solved this on paper . hope it helps .
Answer:
Yes, the lines are perpendicular.
Answer:
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