A cable company offers its 10,000 customers two special services: high-speed internet and digital phone. Approximately 3770 customers use high-speed internet, 3250 use digital phones, and 4530 do not use either of these services.
a. Find the probability that a customer uses both high-speed internet and a digital phone. Write a probability statement and round to three decimals.
b. Find the odds against the event in part A.