Question

a glass jar contains 7 red, 3 green, 7 blue and 5 yellow marbles. if a single marble is chosen at random from the jar, what is the probability of choosing a yellow marble? round your answer to 4 decimal places.
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Explanation:

Step1: Calculate total number of marbles

Total marbles = \(7 + 3+7 + 5=\) \(22\)

Step2: Calculate probability of choosing yellow marble

Probability \(P=\frac{\text{Number of yellow marbles}}{\text{Total number of marbles}}=\frac{5}{22}\approx0.2273\)

Answer:

\(0.2273\)