 # &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Use the promlem Ronelyn Lynlyn 2022-05-31 Answered

Use the promlem below,  there are 4 blue marbles 5 red marbles 1 green marbles 2 black marbles in a bag suppose you select one marble  at random  find each probability of

P( not green)

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As per the given question;

The favorable event is that the selected marble is not green, that is, the selected marble is either blue or red, or black.

So, the total number of occurrences of the favorable event = (total number of marbles in the bag) - (number of green marbles in the bag) = 12-1 = 11

And, the total number of trials = total number of marbles in the bag = 12

So, the probability that the selected marble is not green in color

= (Total number of occurrence of the favorable event) / (Total number of trials)

= (number of non-green marbles in the bag)/(total number of marbles in the bag)

= 11/12 = 0.917