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Thomas has a bag with 7 green marbles, 5 blue marbles, and 4 red marbles. If the marble selected is replaced before the next marble is drawn from the bag, find the probability that Thomas will pull a red marble.

Write your answer as a fraction, decimal, and as a percent.

a.) Fraction =

b.) Decimal =

c.) Percent =
%

(DO NOT include a percent sign in your answer)

You MUST show work to receive full credit.

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Respuesta :

Using it's concept, the probabilities are given as follows:

a) Fraction: 1/4.

b) Decimal: 0.25.

c) Percent: 25%.

What is a probability?

A probability is given by the number of desired outcomes divided by the number of total outcomes.

In this problem, we have that out of 7 + 5 + 4 = 16 marbles, 4 are red, hence the probability is given as follows:

p = 4/16 = 1/4 = 0.25 = 25%.

The desired notations are:

a) Fraction: 1/4.

b) Decimal: 0.25.

c) Percent: 25%.

More can be learned about probabilities at https://brainly.com/question/14398287

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