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A bag has 7 red marbles, 8 blue marbles, and 5 purple marbles, Rachel draws a marble from the bad without looking.What is the probability that Rachael draw a blue marbleA. 4%B.8%C.12%D.40%E.66.7%

Respuesta :

To find the probability of drawing a blue marble we have to divide the number of blue marbles and the total number of marbles. There are 8 blue marbles, and there are 20 total marbles.

[tex]P_{\text{blue}}=\frac{8}{20}=\frac{2}{5}=0.4[/tex]

Hence, the probability is 40%.

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