3. 1-/2 points) DETAILS TANFIN128.4.026. MY NOTES ASK YOUR TEACHER Mayco, a mail-order department store, nos tive telephone ines available for customers who wish to contact comer service. If the probioty that ay one of the live phone linee engaged during business hours, find the probability that all livelines we be in use when a customer calls customer service Cound your answer to four decimal places) Need Help? VaR 3. 1-/2 points) DETAILS TANFIN128.4.026. MY NOTES ASK YOUR TEACHER Mayco, a mail-order department store, nos tive telephone ines available for customers who wish to contact comer service. If the probioty that ay one of the live phone linee engaged during business hours, find the probability that all livelines we be in use when a customer calls customer service Cound your answer to four decimal places) Need Help? VaR