Mark Sims is exploring the characteristics of stock market
investors. He found that sixty per cent of all investors have a net
worth exceeding $1,000,000; 20% of all investors use an online
brokerage; and 10% of all investors have a net worth exceeding
$1,000,000 and use an online brokerage. An investor is selected
randomly, where N is the event net worth exceeds $1,000,000, and O
is the event uses an online brokerage. Find P(NI O)
Mark Sims is exploring the characteristics of stock market investors. He found that sixty per cent of all investors have
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