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The National Center for Health Statistics publishes information about visits to the dentist in National Health Interview Survey. Here is a joint probability distribution for the length of time (in years) since last visit to a dentist or other dental health professional, by age, for U.S. adults during one year.
For a U.S. adult selected at random, determine the following probabilities and interpret your results in terms of percentages.
a. P(T1)
b. P(not A2)
c. P(A4 & T5)
d. P(T4 | A1)
e. P(A1 | T4) |
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