What is the probability of drawing a red marble with a single draw from a bag containing one red,two white, and four blue marbles?

1 Answer
Jim G.
Jun 21, 2018

#1/7#

Explanation:

#"probability is calculated as"#

#"favourable oucome"/"total possible outcomes"#

#"here the favourable outcome is 1 red marble"#

#"total possible outcomes "=color(red)(1)+2+color(blue)(4)=7#

#P(color(red)"red marble")=1/7#

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