The percent distribution of a person's accumulating specific amounts of credit card charges over a 12-month period is shown in the pie chart. Find each probability.
Credit Card Charges
Under $100 35%
$100-$499 19%
$500-5999 12%
S1000-$1999 12%
$2000-$2999 8%
S3000-$4999 6%
$5000-99999 7%
$10.000 or more 1%
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a. What is the probability that a person's total charges are $500 or more?
(Type an integer or a Lecimal.)