Tiara has 4 nickels, 6 pennies, 4 dimes and 2 quarters in her pocket. She picks a coin at random. What is the probability that she will pick

Question

Tiara has 4 nickels, 6 pennies, 4 dimes and 2 quarters in her pocket. She picks a coin at random. What is the probability that she will pick a nickel or a dime?

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Piper 7 days 2021-10-05T23:03:12+00:00 1 Answer 0

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    2021-10-05T23:05:06+00:00

    Answer:

    The probability that she will pick a nickel or dime is 1/2

    Step-by-step explanation:

    Tiara has 4 nickels, 6 pennies, 4 dimes and 2 quarters in her pocket.

    In total, she has 16 coins in her pocket. That is:

    4 + 6 + 4 + 2 = 16 coins

    The probability that she will pick a nickel or dime is the sum of the probability that she will pick a nickel and the probability that she will pick a dime.

    The probability that she will pick a nickel is the number of nickels divided by the total number of coins, that is:

    4/16 = 1/4

    The probability that she will pick a dime is the number of dimes divided by the total number of coins, that is:

    4/16 = 1/4

    Hence, the probability that she will pick a nickel or dime is:

    1/4 + 1/4 = 2/4 = 1/2

    The probability that she will pick a nickel or dime is 1/2.

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