(Answered) A hat contains 40 marbles of them 18 are red and 22 are

Statistics

A hat contains 40 marbles. Of them 18 are red and 22 are green. If one marble is randomly selected out of this hat.

a) What is the probability that this marble is red (round two decimal places)?

b) What is the probability that this marble is green (round two decimal places)?

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