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There is a bag of colored beads in the craft box. The colors of the 50 beads are shown in the table below.

There Is A Bag Of Colored Beads In The Craft Box The Colors Of The 50 Beads Are Shown In The Table Below class=

Sagot :

We know there is a total of 50 beads. Since a bead can't be two colors at the same time

[tex]P(A\cup B)=P(A)+P(B)[/tex]

In this case

[tex]P(R\cup G)=P(R)+P(G)=\frac{7}{50}+\frac{8}{50}=\frac{15}{50}=0.3[/tex]

Thus, the probability of selecting a red or green bead is 0.3 or 30%

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