Mathematics, 25.07.2020 22:01 rorymartin04
A study of 240 advertising firms revealed their income after taxes: Income after Taxes Number of Firms Under $1 million 124 $1 million to $20 million 61 $20 million or more 55 What is the probability an advertising firm selected at random has under $1 million in income after taxes? (Round your answer to 2 decimal places.) 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 your answer to 2 decimal places.) b-2. What rule of probability was applied? Rule of complements only Special rule of addition only Either
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