Question

At a neighbor's garage sale, Rodrigo purchased a big bag of assorted bolts, nuts, screws, and washers. He picks a piece out of the bag, records its type, puts it back in the bag, and mixes them up. He does this 18 times and counts 3 bolts, 6 nuts, 5 screws, and 4 washers.

Based on the data, what is the probability of choosing a washer?
Write your answer as a fraction or whole number.

Answer 1

The answer is 4/18 chance of picking a washer. Or a 22.222-% chance. Or simplify your fraction answer to get a 2/9 chance.

Explanation:
Sample space (or possible outcomes) is 3b, 6n, 5s, and 4w.

Formula: P(Washer) = 4/18

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