Using historical records, a manufacturing firm has developed the following probability distribution for the number of days required to get components from its suppliers. The distribution is shown here, where the andom variable x is the number of days. Complete parts a through c below. What is the average lead time for the component? The average lead time is 4.395 days. Type an integer or a decimal. Do not round.) What is the coefficient of variation for delivery lead time? The coefficient of variation is%. Round to two decimal places as needed. Do not round.) X 3 4 5 6 7 P(x) 0.15 0.46 0.27 0.085 0.035

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