Max Sandlin is exploring the characteristics of stock market investors.He found that sixty percent of all investors have a net worth exceeding $1,000,000; 20% of all investors use an online brokerage; and 10% of all investors a have net worth exceeding $1,000,000 and use an online brokerage.An investor is selected randomly, and E is the event "net worth exceeds $1, 000, 000," and O is the event "uses an online brokerage." P(O|E)= _____________.
A)0.17
B)0.50
C)0.80
D)0.70
E)0.88

Question

Quizplus · Accepted Answer

P(O|E) = P(E and O) / P(E) = 0.1 / 0.6 = 0.17

Max Sandlin Is Exploring the Characteristics of Stock Market Investors