chapmel20
24.09.2019 •
Mathematics
What is the setup for this equation?
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Ответ:
In the question, it is given that, Zayne has a bag filled with coins. the bag contains 7 quarters, 8 dimes, 3 nickels, and 9 pennies.. he randomly chooses a coin from the bag.
Probability of selecting quarter is
And probability of selecting nickel is
So to find the probability of selecting quarter or a nickel is the sum of the two probabilities, that is