Question: Average trade time in Ameritrade is 7 second. Ameritrade has promised its customers if trade time exceeds 10 seconds it is free (a $10.99 cost
Average trade time in Ameritrade is 7 second. Ameritrade has promised its customers if trade time exceeds 10 seconds it is free (a $10.99 cost saving for the customer.)
What is the probability that no customer gets free trade? Enter your answer as a percentage without a % sign and with one decimal point.
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