1.   Statistics collected in a particular coal-mining region show that the probability that a miner will develop respiratory problems is . Also, the probability that a miner will develop back problems is . If one health problem does not affect the other, what is the probability that a randomly selected miner will develop respiratory problems but will not develop back problems?
    A. B.
    C. D.
    Hint

  2.   Determine the probability of choosing a penny or a nickel from 7 pennies, 2 nickels and 5 dimes.
    A. B.
    C. D.
    Hint

  3.   What is the probability that one card drawn from a standard deck of cards will be a king or a diamond?
    A. B.
    C. D.
    Hint

  4.   Find the probability of selecting an orange, replacing it, then selecting an apple from a bowl of 8 oranges and 6 apples.
    A. B.
    C. D.
    Hint

  5.   Using a standard deck of 52 cards, find the probability of choosing 2 cards that are both black or both kings, without replacement.
    A. B.
    C. D.
    Hint