A study of 225 advertising firms revealed their income after taxes:

Income after Taxes	Number of Firms
Under $1 million	116
$1 million to $20 million	63
$20 million or more	46

a. What is the probability an advertising firm selected at random has under $1 million in income after taxes? (Round the final answer to 2 decimal places.)

Probability

b-1. What is the probability an advertising firm selected at random has either an income between $1 million and $20 million, or an income of $20 million or more? (Round the final answer to 2 decimal places.)

Probability