I believe it's A, C and D.
The answer is 0.50.
P(4<=X<=8)=P(x=4)+ P(x=5)+ P(x=6)+ P(x=7)+ P(x=8)= 0.05+ 0.15+0.15+0.15 +0 = 0.50
Notice that in 8 the line touches the x axis so it’s corresponding probability is 0.
72x
That's is the unknown number multiplied by 72.
Answer:
It's a polygon
Step-by-step explanation:
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